12224780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8609}}^1$

素因数の和:8689

約数の個数: 24

約数和(自身を含む): 26036640

約数和(自身を除く): 13811860

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8609, 17218, 34436, 43045, 86090, 172180, 611239, 1222478, 2444956, 3056195, 6112390, 12224780]

約数ペア:

[(1, 12224780), (2, 6112390), (4, 3056195), (5, 2444956), (10, 1222478), (20, 611239), (71, 172180), (142, 86090), (284, 43045), (355, 34436), (710, 17218), (1420, 8609)]