3157640

素因数分解:

$2^3\times 5^1\times {\mathrm{78941}}^1$

素因数の和:78952

約数の個数: 16

約数和(自身を含む): 7104780

約数和(自身を除く): 3947140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 78941, 157882, 315764, 394705, 631528, 789410, 1578820, 3157640]

約数ペア:

[(1, 3157640), (2, 1578820), (4, 789410), (5, 631528), (8, 394705), (10, 315764), (20, 157882), (40, 78941)]