30259280

素因数分解:

$2^4\times 5^1\times {\mathrm{378241}}^1$

素因数の和:378254

約数の個数: 20

約数和(自身を含む): 70353012

約数和(自身を除く): 40093732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 378241, 756482, 1512964, 1891205, 3025928, 3782410, 6051856, 7564820, 15129640, 30259280]

約数ペア:

[(1, 30259280), (2, 15129640), (4, 7564820), (5, 6051856), (8, 3782410), (10, 3025928), (16, 1891205), (20, 1512964), (40, 756482), (80, 378241)]