20171030120

素因数分解:

$2^3\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{446657}}^1$

素因数の和:447797

約数の個数: 32

約数和(自身を含む): 45425118600

約数和(自身を除く): 25254088480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1129, 2258, 4516, 5645, 9032, 11290, 22580, 45160, 446657, 893314, 1786628, 2233285, 3573256, 4466570, 8933140, 17866280, 504275753, 1008551506, 2017103012, 2521378765, 4034206024, 5042757530, 10085515060, 20171030120]

約数ペア:

[(1, 20171030120), (2, 10085515060), (4, 5042757530), (5, 4034206024), (8, 2521378765), (10, 2017103012), (20, 1008551506), (40, 504275753), (1129, 17866280), (2258, 8933140), (4516, 4466570), (5645, 3573256), (9032, 2233285), (11290, 1786628), (22580, 893314), (45160, 446657)]