31396460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15241}}^1$

素因数の和:15353

約数の個数: 24

約数和(自身を含む): 66577056

約数和(自身を除く): 35180596

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 15241, 30482, 60964, 76205, 152410, 304820, 1569823, 3139646, 6279292, 7849115, 15698230, 31396460]

約数ペア:

[(1, 31396460), (2, 15698230), (4, 7849115), (5, 6279292), (10, 3139646), (20, 1569823), (103, 304820), (206, 152410), (412, 76205), (515, 60964), (1030, 30482), (2060, 15241)]