22251920

素因数分解:

$2^4\times 5^1\times {\mathrm{278149}}^1$

素因数の和:278162

約数の個数: 20

約数和(自身を含む): 51735900

約数和(自身を除く): 29483980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278149, 556298, 1112596, 1390745, 2225192, 2781490, 4450384, 5562980, 11125960, 22251920]

約数ペア:

[(1, 22251920), (2, 11125960), (4, 5562980), (5, 4450384), (8, 2781490), (10, 2225192), (16, 1390745), (20, 1112596), (40, 556298), (80, 278149)]