81065000000

素因数分解:

$2^6\times 5^7\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:601

約数の個数: 224

約数和(自身を含む): 207961967616

約数和(自身を除く): 126896967616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 523, 620, 625, 775, 800, 992, 1000, 1046, 1240, 1250, 1550, 1600, 1984, 2000, 2092, 2480, 2500, 2615, 3100, 3125, 3875, 4000, 4184, 4960, 5000, 5230, 6200, 6250, 7750, 8000, 8368, 9920, 10000, 10460, 12400, 12500, 13075, 15500, 15625, 16213, 16736, 19375, 20000, 20920, 24800, 25000, 26150, 31000, 31250, 32426, 33472, 38750, 40000, 41840, 49600, 50000, 52300, 62000, 62500, 64852, 65375, 77500, 78125, 81065, 83680, 96875, 100000, 104600, 124000, 125000, 129704, 130750, 155000, 156250, 162130, 167360, 193750, 200000, 209200, 248000, 250000, 259408, 261500, 310000, 312500, 324260, 326875, 387500, 405325, 418400, 484375, 500000, 518816, 523000, 620000, 625000, 648520, 653750, 775000, 810650, 836800, 968750, 1000000, 1037632, 1046000, 1240000, 1250000, 1297040, 1307500, 1550000, 1621300, 1634375, 1937500, 2026625, 2092000, 2421875, 2500000, 2594080, 2615000, 3100000, 3242600, 3268750, 3875000, 4053250, 4184000, 4843750, 5000000, 5188160, 5230000, 6200000, 6485200, 6537500, 7750000, 8106500, 8171875, 9687500, 10133125, 10460000, 12970400, 13075000, 15500000, 16213000, 16343750, 19375000, 20266250, 20920000, 25940800, 26150000, 31000000, 32426000, 32687500, 38750000, 40532500, 40859375, 50665625, 52300000, 64852000, 65375000, 77500000, 81065000, 81718750, 101331250, 104600000, 129704000, 130750000, 155000000, 162130000, 163437500, 202662500, 253328125, 261500000, 324260000, 326875000, 405325000, 506656250, 523000000, 648520000, 653750000, 810650000, 1013312500, 1266640625, 1307500000, 1621300000, 2026625000, 2533281250, 2615000000, 3242600000, 4053250000, 5066562500, 8106500000, 10133125000, 16213000000, 20266250000, 40532500000, 81065000000]

約数ペア:

[(1, 81065000000), (2, 40532500000), (4, 20266250000), (5, 16213000000), (8, 10133125000), (10, 8106500000), (16, 5066562500), (20, 4053250000), (25, 3242600000), (31, 2615000000), (32, 2533281250), (40, 2026625000), (50, 1621300000), (62, 1307500000), (64, 1266640625), (80, 1013312500), (100, 810650000), (124, 653750000), (125, 648520000), (155, 523000000), (160, 506656250), (200, 405325000), (248, 326875000), (250, 324260000), (310, 261500000), (320, 253328125), (400, 202662500), (496, 163437500), (500, 162130000), (523, 155000000), (620, 130750000), (625, 129704000), (775, 104600000), (800, 101331250), (992, 81718750), (1000, 81065000), (1046, 77500000), (1240, 65375000), (1250, 64852000), (1550, 52300000), (1600, 50665625), (1984, 40859375), (2000, 40532500), (2092, 38750000), (2480, 32687500), (2500, 32426000), (2615, 31000000), (3100, 26150000), (3125, 25940800), (3875, 20920000), (4000, 20266250), (4184, 19375000), (4960, 16343750), (5000, 16213000), (5230, 15500000), (6200, 13075000), (6250, 12970400), (7750, 10460000), (8000, 10133125), (8368, 9687500), (9920, 8171875), (10000, 8106500), (10460, 7750000), (12400, 6537500), (12500, 6485200), (13075, 6200000), (15500, 5230000), (15625, 5188160), (16213, 5000000), (16736, 4843750), (19375, 4184000), (20000, 4053250), (20920, 3875000), (24800, 3268750), (25000, 3242600), (26150, 3100000), (31000, 2615000), (31250, 2594080), (32426, 2500000), (33472, 2421875), (38750, 2092000), (40000, 2026625), (41840, 1937500), (49600, 1634375), (50000, 1621300), (52300, 1550000), (62000, 1307500), (62500, 1297040), (64852, 1250000), (65375, 1240000), (77500, 1046000), (78125, 1037632), (81065, 1000000), (83680, 968750), (96875, 836800), (100000, 810650), (104600, 775000), (124000, 653750), (125000, 648520), (129704, 625000), (130750, 620000), (155000, 523000), (156250, 518816), (162130, 500000), (167360, 484375), (193750, 418400), (200000, 405325), (209200, 387500), (248000, 326875), (250000, 324260), (259408, 312500), (261500, 310000)]