317157080

素因数分解:

$2^3\times 5^1\times {\mathrm{7928927}}^1$

素因数の和:7928938

約数の個数: 16

約数和(自身を含む): 713603520

約数和(自身を除く): 396446440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7928927, 15857854, 31715708, 39644635, 63431416, 79289270, 158578540, 317157080]

約数ペア:

[(1, 317157080), (2, 158578540), (4, 79289270), (5, 63431416), (8, 39644635), (10, 31715708), (20, 15857854), (40, 7928927)]