80008420

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{17623}}^1$

素因数の和:17859

約数の個数: 24

約数和(自身を含む): 168767424

約数和(自身を除く): 88759004

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 17623, 35246, 70492, 88115, 176230, 352460, 4000421, 8000842, 16001684, 20002105, 40004210, 80008420]

約数ペア:

[(1, 80008420), (2, 40004210), (4, 20002105), (5, 16001684), (10, 8000842), (20, 4000421), (227, 352460), (454, 176230), (908, 88115), (1135, 70492), (2270, 35246), (4540, 17623)]