158431480

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{6277}}^1$

素因数の和:6919

約数の個数: 32

約数和(自身を含む): 357092640

約数和(自身を除く): 198661160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6277, 6310, 12554, 12620, 25108, 25240, 31385, 50216, 62770, 125540, 251080, 3960787, 7921574, 15843148, 19803935, 31686296, 39607870, 79215740, 158431480]

約数ペア:

[(1, 158431480), (2, 79215740), (4, 39607870), (5, 31686296), (8, 19803935), (10, 15843148), (20, 7921574), (40, 3960787), (631, 251080), (1262, 125540), (2524, 62770), (3155, 50216), (5048, 31385), (6277, 25240), (6310, 25108), (12554, 12620)]