31396075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 41339120

約数和(自身を除く): 9943045

約数列:

[1, 5, 19, 25, 95, 157, 421, 475, 785, 2105, 2983, 3925, 7999, 10525, 14915, 39995, 66097, 74575, 199975, 330485, 1255843, 1652425, 6279215, 31396075]

約数ペア:

[(1, 31396075), (5, 6279215), (19, 1652425), (25, 1255843), (95, 330485), (157, 199975), (421, 74575), (475, 66097), (785, 39995), (2105, 14915), (2983, 10525), (3925, 7999)]