8179280

素因数分解:

$2^4\times 5^1\times {\mathrm{102241}}^1$

素因数の和:102254

約数の個数: 20

約数和(自身を含む): 19017012

約数和(自身を除く): 10837732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102241, 204482, 408964, 511205, 817928, 1022410, 1635856, 2044820, 4089640, 8179280]

約数ペア:

[(1, 8179280), (2, 4089640), (4, 2044820), (5, 1635856), (8, 1022410), (10, 817928), (16, 511205), (20, 408964), (40, 204482), (80, 102241)]