6921640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15731}}^1$

素因数の和:15753

約数の個数: 32

約数和(自身を含む): 16990560

約数和(自身を除く): 10068920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 15731, 31462, 62924, 78655, 125848, 157310, 173041, 314620, 346082, 629240, 692164, 865205, 1384328, 1730410, 3460820, 6921640]

約数ペア:

[(1, 6921640), (2, 3460820), (4, 1730410), (5, 1384328), (8, 865205), (10, 692164), (11, 629240), (20, 346082), (22, 314620), (40, 173041), (44, 157310), (55, 125848), (88, 78655), (110, 62924), (220, 31462), (440, 15731)]