208080016

素因数分解:

$2^4\times {\mathrm{1009}}^1\times {\mathrm{12889}}^1$

素因数の和:13906

約数の個数: 20

約数和(自身を含む): 403585900

約数和(自身を除く): 195505884

約数列:

[1, 2, 4, 8, 16, 1009, 2018, 4036, 8072, 12889, 16144, 25778, 51556, 103112, 206224, 13005001, 26010002, 52020004, 104040008, 208080016]

約数ペア:

[(1, 208080016), (2, 104040008), (4, 52020004), (8, 26010002), (16, 13005001), (1009, 206224), (2018, 103112), (4036, 51556), (8072, 25778), (12889, 16144)]