56376920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16981}}^1$

素因数の和:17075

約数の個数: 32

約数和(自身を含む): 128383920

約数和(自身を除く): 72007000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 16981, 33962, 67924, 84905, 135848, 169810, 339620, 679240, 1409423, 2818846, 5637692, 7047115, 11275384, 14094230, 28188460, 56376920]

約数ペア:

[(1, 56376920), (2, 28188460), (4, 14094230), (5, 11275384), (8, 7047115), (10, 5637692), (20, 2818846), (40, 1409423), (83, 679240), (166, 339620), (332, 169810), (415, 135848), (664, 84905), (830, 67924), (1660, 33962), (3320, 16981)]