315764920

素因数分解:

$2^3\times 5^1\times {\mathrm{7894123}}^1$

素因数の和:7894134

約数の個数: 16

約数和(自身を含む): 710471160

約数和(自身を除く): 394706240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7894123, 15788246, 31576492, 39470615, 63152984, 78941230, 157882460, 315764920]

約数ペア:

[(1, 315764920), (2, 157882460), (4, 78941230), (5, 63152984), (8, 39470615), (10, 31576492), (20, 15788246), (40, 7894123)]