12700640

素因数分解:

$2^5\times 5^1\times {\mathrm{79379}}^1$

素因数の和:79394

約数の個数: 24

約数和(自身を含む): 30005640

約数和(自身を除く): 17305000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 79379, 158758, 317516, 396895, 635032, 793790, 1270064, 1587580, 2540128, 3175160, 6350320, 12700640]

約数ペア:

[(1, 12700640), (2, 6350320), (4, 3175160), (5, 2540128), (8, 1587580), (10, 1270064), (16, 793790), (20, 635032), (32, 396895), (40, 317516), (80, 158758), (160, 79379)]