83456440

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2579}}^1$

素因数の和:3399

約数の個数: 32

約数和(自身を含む): 188082000

約数和(自身を除く): 104625560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 2579, 3236, 4045, 5158, 6472, 8090, 10316, 12895, 16180, 20632, 25790, 32360, 51580, 103160, 2086411, 4172822, 8345644, 10432055, 16691288, 20864110, 41728220, 83456440]

約数ペア:

[(1, 83456440), (2, 41728220), (4, 20864110), (5, 16691288), (8, 10432055), (10, 8345644), (20, 4172822), (40, 2086411), (809, 103160), (1618, 51580), (2579, 32360), (3236, 25790), (4045, 20632), (5158, 16180), (6472, 12895), (8090, 10316)]