11431640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25981}}^1$

素因数の和:26003

約数の個数: 32

約数和(自身を含む): 28060560

約数和(自身を除く): 16628920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 25981, 51962, 103924, 129905, 207848, 259810, 285791, 519620, 571582, 1039240, 1143164, 1428955, 2286328, 2857910, 5715820, 11431640]

約数ペア:

[(1, 11431640), (2, 5715820), (4, 2857910), (5, 2286328), (8, 1428955), (10, 1143164), (11, 1039240), (20, 571582), (22, 519620), (40, 285791), (44, 259810), (55, 207848), (88, 129905), (110, 103924), (220, 51962), (440, 25981)]