12480820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{56731}}^1$

素因数の和:56751

約数の個数: 24

約数和(自身を含む): 28592928

約数和(自身を除く): 16112108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 56731, 113462, 226924, 283655, 567310, 624041, 1134620, 1248082, 2496164, 3120205, 6240410, 12480820]

約数ペア:

[(1, 12480820), (2, 6240410), (4, 3120205), (5, 2496164), (10, 1248082), (11, 1134620), (20, 624041), (22, 567310), (44, 283655), (55, 226924), (110, 113462), (220, 56731)]