31825225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 41169240

約数和(自身を除く): 9344015

約数列:

[1, 5, 25, 41, 61, 205, 305, 509, 1025, 1525, 2501, 2545, 12505, 12725, 20869, 31049, 62525, 104345, 155245, 521725, 776225, 1273009, 6365045, 31825225]

約数ペア:

[(1, 31825225), (5, 6365045), (25, 1273009), (41, 776225), (61, 521725), (205, 155245), (305, 104345), (509, 62525), (1025, 31049), (1525, 20869), (2501, 12725), (2545, 12505)]