66100820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{54181}}^1$

素因数の和:54251

約数の個数: 24

約数和(自身を含む): 141089928

約数和(自身を除く): 74989108

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 54181, 108362, 216724, 270905, 541810, 1083620, 3305041, 6610082, 13220164, 16525205, 33050410, 66100820]

約数ペア:

[(1, 66100820), (2, 33050410), (4, 16525205), (5, 13220164), (10, 6610082), (20, 3305041), (61, 1083620), (122, 541810), (244, 270905), (305, 216724), (610, 108362), (1220, 54181)]