66027620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{54121}}^1$

素因数の和:54191

約数の個数: 24

約数和(自身を含む): 140933688

約数和(自身を除く): 74906068

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 54121, 108242, 216484, 270605, 541210, 1082420, 3301381, 6602762, 13205524, 16506905, 33013810, 66027620]

約数ペア:

[(1, 66027620), (2, 33013810), (4, 16506905), (5, 13205524), (10, 6602762), (20, 3301381), (61, 1082420), (122, 541210), (244, 270605), (305, 216484), (610, 108242), (1220, 54121)]