22265680

素因数分解:

$2^4\times 5^1\times {\mathrm{278321}}^1$

素因数の和:278334

約数の個数: 20

約数和(自身を含む): 51767892

約数和(自身を除く): 29502212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278321, 556642, 1113284, 1391605, 2226568, 2783210, 4453136, 5566420, 11132840, 22265680]

約数ペア:

[(1, 22265680), (2, 11132840), (4, 5566420), (5, 4453136), (8, 2783210), (10, 2226568), (16, 1391605), (20, 1113284), (40, 556642), (80, 278321)]