91131640

素因数分解:

$2^3\times 5^1\times {\mathrm{2278291}}^1$

素因数の和:2278302

約数の個数: 16

約数和(自身を含む): 205046280

約数和(自身を除く): 113914640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2278291, 4556582, 9113164, 11391455, 18226328, 22782910, 45565820, 91131640]

約数ペア:

[(1, 91131640), (2, 45565820), (4, 22782910), (5, 18226328), (8, 11391455), (10, 9113164), (20, 4556582), (40, 2278291)]