20126050400

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{474671}}^1$

素因数の和:474744

約数の個数: 72

約数和(自身を含む): 50059858464

約数和(自身を除く): 29933808064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 400, 424, 530, 800, 848, 1060, 1325, 1696, 2120, 2650, 4240, 5300, 8480, 10600, 21200, 42400, 474671, 949342, 1898684, 2373355, 3797368, 4746710, 7594736, 9493420, 11866775, 15189472, 18986840, 23733550, 25157563, 37973680, 47467100, 50315126, 75947360, 94934200, 100630252, 125787815, 189868400, 201260504, 251575630, 379736800, 402521008, 503151260, 628939075, 805042016, 1006302520, 1257878150, 2012605040, 2515756300, 4025210080, 5031512600, 10063025200, 20126050400]

約数ペア:

[(1, 20126050400), (2, 10063025200), (4, 5031512600), (5, 4025210080), (8, 2515756300), (10, 2012605040), (16, 1257878150), (20, 1006302520), (25, 805042016), (32, 628939075), (40, 503151260), (50, 402521008), (53, 379736800), (80, 251575630), (100, 201260504), (106, 189868400), (160, 125787815), (200, 100630252), (212, 94934200), (265, 75947360), (400, 50315126), (424, 47467100), (530, 37973680), (800, 25157563), (848, 23733550), (1060, 18986840), (1325, 15189472), (1696, 11866775), (2120, 9493420), (2650, 7594736), (4240, 4746710), (5300, 3797368), (8480, 2373355), (10600, 1898684), (21200, 949342), (42400, 474671)]