22268240

素因数分解:

$2^4\times 5^1\times {\mathrm{278353}}^1$

素因数の和:278366

約数の個数: 20

約数和(自身を含む): 51773844

約数和(自身を除く): 29505604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278353, 556706, 1113412, 1391765, 2226824, 2783530, 4453648, 5567060, 11134120, 22268240]

約数ペア:

[(1, 22268240), (2, 11134120), (4, 5567060), (5, 4453648), (8, 2783530), (10, 2226824), (16, 1391765), (20, 1113412), (40, 556706), (80, 278353)]