20170109725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{27820841}}^1$

素因数の和:27820880

約数の個数: 12

約数和(自身を含む): 25873383060

約数和(自身を除く): 5703273335

約数列:

[1, 5, 25, 29, 145, 725, 27820841, 139104205, 695521025, 806804389, 4034021945, 20170109725]

約数ペア:

[(1, 20170109725), (5, 4034021945), (25, 806804389), (29, 695521025), (145, 139104205), (725, 27820841)]