91257640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28879}}^1$

素因数の和:28969

約数の個数: 32

約数和(自身を含む): 207936000

約数和(自身を除く): 116678360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28879, 57758, 115516, 144395, 231032, 288790, 577580, 1155160, 2281441, 4562882, 9125764, 11407205, 18251528, 22814410, 45628820, 91257640]

約数ペア:

[(1, 91257640), (2, 45628820), (4, 22814410), (5, 18251528), (8, 11407205), (10, 9125764), (20, 4562882), (40, 2281441), (79, 1155160), (158, 577580), (316, 288790), (395, 231032), (632, 144395), (790, 115516), (1580, 57758), (3160, 28879)]