13120220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6763}}^1$

素因数の和:6869

約数の個数: 24

約数和(自身を含む): 27840624

約数和(自身を除く): 14720404

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 6763, 13526, 27052, 33815, 67630, 135260, 656011, 1312022, 2624044, 3280055, 6560110, 13120220]

約数ペア:

[(1, 13120220), (2, 6560110), (4, 3280055), (5, 2624044), (10, 1312022), (20, 656011), (97, 135260), (194, 67630), (388, 33815), (485, 27052), (970, 13526), (1940, 6763)]