80968180

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{13187}}^1$

素因数の和:13503

約数の個数: 24

約数和(自身を含む): 170599968

約数和(自身を除く): 89631788

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 13187, 26374, 52748, 65935, 131870, 263740, 4048409, 8096818, 16193636, 20242045, 40484090, 80968180]

約数ペア:

[(1, 80968180), (2, 40484090), (4, 20242045), (5, 16193636), (10, 8096818), (20, 4048409), (307, 263740), (614, 131870), (1228, 65935), (1535, 52748), (3070, 26374), (6140, 13187)]