315035920

素因数分解:

$2^4\times 5^1\times {\mathrm{3937949}}^1$

素因数の和:3937962

約数の個数: 20

約数和(自身を含む): 732458700

約数和(自身を除く): 417422780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3937949, 7875898, 15751796, 19689745, 31503592, 39379490, 63007184, 78758980, 157517960, 315035920]

約数ペア:

[(1, 315035920), (2, 157517960), (4, 78758980), (5, 63007184), (8, 39379490), (10, 31503592), (16, 19689745), (20, 15751796), (40, 7875898), (80, 3937949)]