31400

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 73470

約数和(自身を除く): 42070

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 628, 785, 1256, 1570, 3140, 3925, 6280, 7850, 15700, 31400]

約数ペア:

[(1, 31400), (2, 15700), (4, 7850), (5, 6280), (8, 3925), (10, 3140), (20, 1570), (25, 1256), (40, 785), (50, 628), (100, 314), (157, 200)]