31274540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{142157}}^1$

素因数の和:142177

約数の個数: 24

約数和(自身を含む): 71647632

約数和(自身を除く): 40373092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 142157, 284314, 568628, 710785, 1421570, 1563727, 2843140, 3127454, 6254908, 7818635, 15637270, 31274540]

約数ペア:

[(1, 31274540), (2, 15637270), (4, 7818635), (5, 6254908), (10, 3127454), (11, 2843140), (20, 1563727), (22, 1421570), (44, 710785), (55, 568628), (110, 284314), (220, 142157)]