56221240

素因数分解:

$2^3\times 5^1\times {\mathrm{1405531}}^1$

素因数の和:1405542

約数の個数: 16

約数和(自身を含む): 126497880

約数和(自身を除く): 70276640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1405531, 2811062, 5622124, 7027655, 11244248, 14055310, 28110620, 56221240]

約数ペア:

[(1, 56221240), (2, 28110620), (4, 14055310), (5, 11244248), (8, 7027655), (10, 5622124), (20, 2811062), (40, 1405531)]