80843740

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{2927}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 169952832

約数和(自身を除く): 89109092

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 2927, 5524, 5854, 6905, 11708, 13810, 14635, 27620, 29270, 58540, 4042187, 8084374, 16168748, 20210935, 40421870, 80843740]

約数ペア:

[(1, 80843740), (2, 40421870), (4, 20210935), (5, 16168748), (10, 8084374), (20, 4042187), (1381, 58540), (2762, 29270), (2927, 27620), (5524, 14635), (5854, 13810), (6905, 11708)]