15707625050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{396157}}^1$

素因数の和:396243

約数の個数: 48

約数和(自身を含む): 31979458392

約数和(自身を除く): 16271833342

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 130, 305, 325, 610, 650, 793, 1525, 1586, 3050, 3965, 7930, 19825, 39650, 396157, 792314, 1980785, 3961570, 5150041, 9903925, 10300082, 19807850, 24165577, 25750205, 48331154, 51500410, 120827885, 128751025, 241655770, 257502050, 314152501, 604139425, 628305002, 1208278850, 1570762505, 3141525010, 7853812525, 15707625050]

約数ペア:

[(1, 15707625050), (2, 7853812525), (5, 3141525010), (10, 1570762505), (13, 1208278850), (25, 628305002), (26, 604139425), (50, 314152501), (61, 257502050), (65, 241655770), (122, 128751025), (130, 120827885), (305, 51500410), (325, 48331154), (610, 25750205), (650, 24165577), (793, 19807850), (1525, 10300082), (1586, 9903925), (3050, 5150041), (3965, 3961570), (7930, 1980785), (19825, 792314), (39650, 396157)]