51291500000

素因数分解:

$2^5\times 5^6\times {\mathrm{13}}^2\times {\mathrm{607}}^1$

素因数の和:673

約数の個数: 252

約数和(自身を含む): 136905122592

約数和(自身を除く): 85613622592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 169, 200, 208, 250, 260, 325, 338, 400, 416, 500, 520, 607, 625, 650, 676, 800, 845, 1000, 1040, 1214, 1250, 1300, 1352, 1625, 1690, 2000, 2080, 2428, 2500, 2600, 2704, 3035, 3125, 3250, 3380, 4000, 4225, 4856, 5000, 5200, 5408, 6070, 6250, 6500, 6760, 7891, 8125, 8450, 9712, 10000, 10400, 12140, 12500, 13000, 13520, 15175, 15625, 15782, 16250, 16900, 19424, 20000, 21125, 24280, 25000, 26000, 27040, 30350, 31250, 31564, 32500, 33800, 39455, 40625, 42250, 48560, 50000, 52000, 60700, 62500, 63128, 65000, 67600, 75875, 78910, 81250, 84500, 97120, 100000, 102583, 105625, 121400, 125000, 126256, 130000, 135200, 151750, 157820, 162500, 169000, 197275, 203125, 205166, 211250, 242800, 250000, 252512, 260000, 303500, 315640, 325000, 338000, 379375, 394550, 406250, 410332, 422500, 485600, 500000, 512915, 528125, 607000, 631280, 650000, 676000, 758750, 789100, 812500, 820664, 845000, 986375, 1025830, 1056250, 1214000, 1262560, 1300000, 1517500, 1578200, 1625000, 1641328, 1690000, 1896875, 1972750, 2051660, 2112500, 2428000, 2564575, 2640625, 3035000, 3156400, 3250000, 3282656, 3380000, 3793750, 3945500, 4103320, 4225000, 4931875, 5129150, 5281250, 6070000, 6312800, 6500000, 7587500, 7891000, 8206640, 8450000, 9484375, 9863750, 10258300, 10562500, 12140000, 12822875, 15175000, 15782000, 16413280, 16900000, 18968750, 19727500, 20516600, 21125000, 24659375, 25645750, 30350000, 31564000, 37937500, 39455000, 41033200, 42250000, 49318750, 51291500, 60700000, 64114375, 75875000, 78910000, 82066400, 84500000, 98637500, 102583000, 123296875, 128228750, 151750000, 157820000, 197275000, 205166000, 246593750, 256457500, 303500000, 320571875, 394550000, 410332000, 493187500, 512915000, 641143750, 789100000, 986375000, 1025830000, 1282287500, 1602859375, 1972750000, 2051660000, 2564575000, 3205718750, 3945500000, 5129150000, 6411437500, 10258300000, 12822875000, 25645750000, 51291500000]

約数ペア:

[(1, 51291500000), (2, 25645750000), (4, 12822875000), (5, 10258300000), (8, 6411437500), (10, 5129150000), (13, 3945500000), (16, 3205718750), (20, 2564575000), (25, 2051660000), (26, 1972750000), (32, 1602859375), (40, 1282287500), (50, 1025830000), (52, 986375000), (65, 789100000), (80, 641143750), (100, 512915000), (104, 493187500), (125, 410332000), (130, 394550000), (160, 320571875), (169, 303500000), (200, 256457500), (208, 246593750), (250, 205166000), (260, 197275000), (325, 157820000), (338, 151750000), (400, 128228750), (416, 123296875), (500, 102583000), (520, 98637500), (607, 84500000), (625, 82066400), (650, 78910000), (676, 75875000), (800, 64114375), (845, 60700000), (1000, 51291500), (1040, 49318750), (1214, 42250000), (1250, 41033200), (1300, 39455000), (1352, 37937500), (1625, 31564000), (1690, 30350000), (2000, 25645750), (2080, 24659375), (2428, 21125000), (2500, 20516600), (2600, 19727500), (2704, 18968750), (3035, 16900000), (3125, 16413280), (3250, 15782000), (3380, 15175000), (4000, 12822875), (4225, 12140000), (4856, 10562500), (5000, 10258300), (5200, 9863750), (5408, 9484375), (6070, 8450000), (6250, 8206640), (6500, 7891000), (6760, 7587500), (7891, 6500000), (8125, 6312800), (8450, 6070000), (9712, 5281250), (10000, 5129150), (10400, 4931875), (12140, 4225000), (12500, 4103320), (13000, 3945500), (13520, 3793750), (15175, 3380000), (15625, 3282656), (15782, 3250000), (16250, 3156400), (16900, 3035000), (19424, 2640625), (20000, 2564575), (21125, 2428000), (24280, 2112500), (25000, 2051660), (26000, 1972750), (27040, 1896875), (30350, 1690000), (31250, 1641328), (31564, 1625000), (32500, 1578200), (33800, 1517500), (39455, 1300000), (40625, 1262560), (42250, 1214000), (48560, 1056250), (50000, 1025830), (52000, 986375), (60700, 845000), (62500, 820664), (63128, 812500), (65000, 789100), (67600, 758750), (75875, 676000), (78910, 650000), (81250, 631280), (84500, 607000), (97120, 528125), (100000, 512915), (102583, 500000), (105625, 485600), (121400, 422500), (125000, 410332), (126256, 406250), (130000, 394550), (135200, 379375), (151750, 338000), (157820, 325000), (162500, 315640), (169000, 303500), (197275, 260000), (203125, 252512), (205166, 250000), (211250, 242800)]