104780000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 180

約数和(自身を含む): 288132768

約数和(自身を除く): 183352768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 125, 130, 155, 160, 169, 200, 208, 248, 250, 260, 310, 325, 338, 400, 403, 416, 496, 500, 520, 620, 625, 650, 676, 775, 800, 806, 845, 992, 1000, 1040, 1240, 1250, 1300, 1352, 1550, 1612, 1625, 1690, 2000, 2015, 2080, 2480, 2500, 2600, 2704, 3100, 3224, 3250, 3380, 3875, 4000, 4030, 4225, 4960, 5000, 5200, 5239, 5408, 6200, 6448, 6500, 6760, 7750, 8060, 8125, 8450, 10000, 10075, 10400, 10478, 12400, 12896, 13000, 13520, 15500, 16120, 16250, 16900, 19375, 20000, 20150, 20956, 21125, 24800, 26000, 26195, 27040, 31000, 32240, 32500, 33800, 38750, 40300, 41912, 42250, 50375, 52000, 52390, 62000, 64480, 65000, 67600, 77500, 80600, 83824, 84500, 100750, 104780, 105625, 124000, 130000, 130975, 135200, 155000, 161200, 167648, 169000, 201500, 209560, 211250, 251875, 260000, 261950, 310000, 322400, 338000, 403000, 419120, 422500, 503750, 523900, 620000, 654875, 676000, 806000, 838240, 845000, 1007500, 1047800, 1309750, 1612000, 1690000, 2015000, 2095600, 2619500, 3274375, 3380000, 4030000, 4191200, 5239000, 6548750, 8060000, 10478000, 13097500, 20956000, 26195000, 52390000, 104780000]

約数ペア:

[(1, 104780000), (2, 52390000), (4, 26195000), (5, 20956000), (8, 13097500), (10, 10478000), (13, 8060000), (16, 6548750), (20, 5239000), (25, 4191200), (26, 4030000), (31, 3380000), (32, 3274375), (40, 2619500), (50, 2095600), (52, 2015000), (62, 1690000), (65, 1612000), (80, 1309750), (100, 1047800), (104, 1007500), (124, 845000), (125, 838240), (130, 806000), (155, 676000), (160, 654875), (169, 620000), (200, 523900), (208, 503750), (248, 422500), (250, 419120), (260, 403000), (310, 338000), (325, 322400), (338, 310000), (400, 261950), (403, 260000), (416, 251875), (496, 211250), (500, 209560), (520, 201500), (620, 169000), (625, 167648), (650, 161200), (676, 155000), (775, 135200), (800, 130975), (806, 130000), (845, 124000), (992, 105625), (1000, 104780), (1040, 100750), (1240, 84500), (1250, 83824), (1300, 80600), (1352, 77500), (1550, 67600), (1612, 65000), (1625, 64480), (1690, 62000), (2000, 52390), (2015, 52000), (2080, 50375), (2480, 42250), (2500, 41912), (2600, 40300), (2704, 38750), (3100, 33800), (3224, 32500), (3250, 32240), (3380, 31000), (3875, 27040), (4000, 26195), (4030, 26000), (4225, 24800), (4960, 21125), (5000, 20956), (5200, 20150), (5239, 20000), (5408, 19375), (6200, 16900), (6448, 16250), (6500, 16120), (6760, 15500), (7750, 13520), (8060, 13000), (8125, 12896), (8450, 12400), (10000, 10478), (10075, 10400)]