3955820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17981}}^1$

素因数の和:18001

約数の個数: 24

約数和(自身を含む): 9062928

約数和(自身を除く): 5107108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 17981, 35962, 71924, 89905, 179810, 197791, 359620, 395582, 791164, 988955, 1977910, 3955820]

約数ペア:

[(1, 3955820), (2, 1977910), (4, 988955), (5, 791164), (10, 395582), (11, 359620), (20, 197791), (22, 179810), (44, 89905), (55, 71924), (110, 35962), (220, 17981)]