85873790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1531}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 158837760

約数和(自身を除く): 72963970

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 355, 395, 710, 790, 1531, 3062, 5609, 7655, 11218, 15310, 28045, 56090, 108701, 120949, 217402, 241898, 543505, 604745, 1087010, 1209490, 8587379, 17174758, 42936895, 85873790]

約数ペア:

[(1, 85873790), (2, 42936895), (5, 17174758), (10, 8587379), (71, 1209490), (79, 1087010), (142, 604745), (158, 543505), (355, 241898), (395, 217402), (710, 120949), (790, 108701), (1531, 56090), (3062, 28045), (5609, 15310), (7655, 11218)]