12557620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6473}}^1$

素因数の和:6579

約数の個数: 24

約数和(自身を含む): 26646984

約数和(自身を除く): 14089364

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 6473, 12946, 25892, 32365, 64730, 129460, 627881, 1255762, 2511524, 3139405, 6278810, 12557620]

約数ペア:

[(1, 12557620), (2, 6278810), (4, 3139405), (5, 2511524), (10, 1255762), (20, 627881), (97, 129460), (194, 64730), (388, 32365), (485, 25892), (970, 12946), (1940, 6473)]