20125067500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{473531}}^1$

素因数の和:473572

約数の個数: 60

約数和(自身を含む): 46598389992

約数和(自身を除く): 26473322492

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 625, 850, 1250, 1700, 2125, 2500, 4250, 8500, 10625, 21250, 42500, 473531, 947062, 1894124, 2367655, 4735310, 8050027, 9470620, 11838275, 16100054, 23676550, 32200108, 40250135, 47353100, 59191375, 80500270, 118382750, 161000540, 201250675, 236765500, 295956875, 402501350, 591913750, 805002700, 1006253375, 1183827500, 2012506750, 4025013500, 5031266875, 10062533750, 20125067500]

約数ペア:

[(1, 20125067500), (2, 10062533750), (4, 5031266875), (5, 4025013500), (10, 2012506750), (17, 1183827500), (20, 1006253375), (25, 805002700), (34, 591913750), (50, 402501350), (68, 295956875), (85, 236765500), (100, 201250675), (125, 161000540), (170, 118382750), (250, 80500270), (340, 59191375), (425, 47353100), (500, 40250135), (625, 32200108), (850, 23676550), (1250, 16100054), (1700, 11838275), (2125, 9470620), (2500, 8050027), (4250, 4735310), (8500, 2367655), (10625, 1894124), (21250, 947062), (42500, 473531)]