87905240

素因数分解:

$2^3\times 5^1\times {\mathrm{2197631}}^1$

素因数の和:2197642

約数の個数: 16

約数和(自身を含む): 197786880

約数和(自身を除く): 109881640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2197631, 4395262, 8790524, 10988155, 17581048, 21976310, 43952620, 87905240]

約数ペア:

[(1, 87905240), (2, 43952620), (4, 21976310), (5, 17581048), (8, 10988155), (10, 8790524), (20, 4395262), (40, 2197631)]