1227820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5581}}^1$

素因数の和:5601

約数の個数: 24

約数和(自身を含む): 2813328

約数和(自身を除く): 1585508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5581, 11162, 22324, 27905, 55810, 61391, 111620, 122782, 245564, 306955, 613910, 1227820]

約数ペア:

[(1, 1227820), (2, 613910), (4, 306955), (5, 245564), (10, 122782), (11, 111620), (20, 61391), (22, 55810), (44, 27905), (55, 22324), (110, 11162), (220, 5581)]