15129640

素因数分解:

$2^3\times 5^1\times {\mathrm{378241}}^1$

素因数の和:378252

約数の個数: 16

約数和(自身を含む): 34041780

約数和(自身を除く): 18912140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 378241, 756482, 1512964, 1891205, 3025928, 3782410, 7564820, 15129640]

約数ペア:

[(1, 15129640), (2, 7564820), (4, 3782410), (5, 3025928), (8, 1891205), (10, 1512964), (20, 756482), (40, 378241)]