1285455820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5842981}}^1$

素因数の和:5843001

約数の個数: 24

約数和(自身を含む): 2944862928

約数和(自身を除く): 1659407108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5842981, 11685962, 23371924, 29214905, 58429810, 64272791, 116859620, 128545582, 257091164, 321363955, 642727910, 1285455820]

約数ペア:

[(1, 1285455820), (2, 642727910), (4, 321363955), (5, 257091164), (10, 128545582), (11, 116859620), (20, 64272791), (22, 58429810), (44, 29214905), (55, 23371924), (110, 11685962), (220, 5842981)]