3880820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3181}}^1$

素因数の和:3251

約数の個数: 24

約数和(自身を含む): 8285928

約数和(自身を除く): 4405108

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3181, 6362, 12724, 15905, 31810, 63620, 194041, 388082, 776164, 970205, 1940410, 3880820]

約数ペア:

[(1, 3880820), (2, 1940410), (4, 970205), (5, 776164), (10, 388082), (20, 194041), (61, 63620), (122, 31810), (244, 15905), (305, 12724), (610, 6362), (1220, 3181)]