66195820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{39877}}^1$

素因数の和:39969

約数の個数: 24

約数和(自身を含む): 140689584

約数和(自身を除く): 74493764

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 39877, 79754, 159508, 199385, 398770, 797540, 3309791, 6619582, 13239164, 16548955, 33097910, 66195820]

約数ペア:

[(1, 66195820), (2, 33097910), (4, 16548955), (5, 13239164), (10, 6619582), (20, 3309791), (83, 797540), (166, 398770), (332, 199385), (415, 159508), (830, 79754), (1660, 39877)]