87572080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25457}}^1$

素因数の和:25513

約数の個数: 40

約数和(自身を含む): 208348272

約数和(自身を除く): 120776192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 25457, 50914, 101828, 127285, 203656, 254570, 407312, 509140, 1018280, 1094651, 2036560, 2189302, 4378604, 5473255, 8757208, 10946510, 17514416, 21893020, 43786040, 87572080]

約数ペア:

[(1, 87572080), (2, 43786040), (4, 21893020), (5, 17514416), (8, 10946510), (10, 8757208), (16, 5473255), (20, 4378604), (40, 2189302), (43, 2036560), (80, 1094651), (86, 1018280), (172, 509140), (215, 407312), (344, 254570), (430, 203656), (688, 127285), (860, 101828), (1720, 50914), (3440, 25457)]