88892787640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{100109}}^1$

素因数の和:100480

約数の個数: 64

約数和(自身を含む): 203263344000

約数和(自身を除く): 114370556360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 281, 316, 395, 562, 632, 790, 1124, 1405, 1580, 2248, 2810, 3160, 5620, 11240, 22199, 44398, 88796, 100109, 110995, 177592, 200218, 221990, 400436, 443980, 500545, 800872, 887960, 1001090, 2002180, 4004360, 7908611, 15817222, 28130629, 31634444, 39543055, 56261258, 63268888, 79086110, 112522516, 140653145, 158172220, 225045032, 281306290, 316344440, 562612580, 1125225160, 2222319691, 4444639382, 8889278764, 11111598455, 17778557528, 22223196910, 44446393820, 88892787640]

約数ペア:

[(1, 88892787640), (2, 44446393820), (4, 22223196910), (5, 17778557528), (8, 11111598455), (10, 8889278764), (20, 4444639382), (40, 2222319691), (79, 1125225160), (158, 562612580), (281, 316344440), (316, 281306290), (395, 225045032), (562, 158172220), (632, 140653145), (790, 112522516), (1124, 79086110), (1405, 63268888), (1580, 56261258), (2248, 39543055), (2810, 31634444), (3160, 28130629), (5620, 15817222), (11240, 7908611), (22199, 4004360), (44398, 2002180), (88796, 1001090), (100109, 887960), (110995, 800872), (177592, 500545), (200218, 443980), (221990, 400436)]