156729640

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{12763}}^1$

素因数の和:13081

約数の個数: 32

約数和(自身を含む): 353818080

約数和(自身を除く): 197088440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 12763, 25526, 51052, 63815, 102104, 127630, 255260, 510520, 3918241, 7836482, 15672964, 19591205, 31345928, 39182410, 78364820, 156729640]

約数ペア:

[(1, 156729640), (2, 78364820), (4, 39182410), (5, 31345928), (8, 19591205), (10, 15672964), (20, 7836482), (40, 3918241), (307, 510520), (614, 255260), (1228, 127630), (1535, 102104), (2456, 63815), (3070, 51052), (6140, 25526), (12280, 12763)]