207716920

素因数分解:

$2^3\times 5^1\times {\mathrm{883}}^1\times {\mathrm{5881}}^1$

素因数の和:6775

約数の個数: 32

約数和(自身を含む): 467971920

約数和(自身を除く): 260255000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 883, 1766, 3532, 4415, 5881, 7064, 8830, 11762, 17660, 23524, 29405, 35320, 47048, 58810, 117620, 235240, 5192923, 10385846, 20771692, 25964615, 41543384, 51929230, 103858460, 207716920]

約数ペア:

[(1, 207716920), (2, 103858460), (4, 51929230), (5, 41543384), (8, 25964615), (10, 20771692), (20, 10385846), (40, 5192923), (883, 235240), (1766, 117620), (3532, 58810), (4415, 47048), (5881, 35320), (7064, 29405), (8830, 23524), (11762, 17660)]