242558840

素因数分解:

$2^3\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{4391}}^1$

素因数の和:5783

約数の個数: 32

約数和(自身を含む): 546276960

約数和(自身を除く): 303718120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1381, 2762, 4391, 5524, 6905, 8782, 11048, 13810, 17564, 21955, 27620, 35128, 43910, 55240, 87820, 175640, 6063971, 12127942, 24255884, 30319855, 48511768, 60639710, 121279420, 242558840]

約数ペア:

[(1, 242558840), (2, 121279420), (4, 60639710), (5, 48511768), (8, 30319855), (10, 24255884), (20, 12127942), (40, 6063971), (1381, 175640), (2762, 87820), (4391, 55240), (5524, 43910), (6905, 35128), (8782, 27620), (11048, 21955), (13810, 17564)]