22815880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5233}}^1$

素因数の和:5353

約数の個数: 32

約数和(自身を含む): 51816600

約数和(自身を除く): 29000720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5233, 10466, 20932, 26165, 41864, 52330, 104660, 209320, 570397, 1140794, 2281588, 2851985, 4563176, 5703970, 11407940, 22815880]

約数ペア:

[(1, 22815880), (2, 11407940), (4, 5703970), (5, 4563176), (8, 2851985), (10, 2281588), (20, 1140794), (40, 570397), (109, 209320), (218, 104660), (436, 52330), (545, 41864), (872, 26165), (1090, 20932), (2180, 10466), (4360, 5233)]