82419280

素因数分解:

$2^4\times 5^1\times {\mathrm{1030241}}^1$

素因数の和:1030254

約数の個数: 20

約数和(自身を含む): 191625012

約数和(自身を除く): 109205732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1030241, 2060482, 4120964, 5151205, 8241928, 10302410, 16483856, 20604820, 41209640, 82419280]

約数ペア:

[(1, 82419280), (2, 41209640), (4, 20604820), (5, 16483856), (8, 10302410), (10, 8241928), (16, 5151205), (20, 4120964), (40, 2060482), (80, 1030241)]