222575440

素因数分解:

$2^4\times 5^1\times {\mathrm{2782193}}^1$

素因数の和:2782206

約数の個数: 20

約数和(自身を含む): 517488084

約数和(自身を除く): 294912644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2782193, 5564386, 11128772, 13910965, 22257544, 27821930, 44515088, 55643860, 111287720, 222575440]

約数ペア:

[(1, 222575440), (2, 111287720), (4, 55643860), (5, 44515088), (8, 27821930), (10, 22257544), (16, 13910965), (20, 11128772), (40, 5564386), (80, 2782193)]