30512980

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{8429}}^1$

素因数の和:8619

約数の個数: 24

約数和(自身を含む): 64438920

約数和(自身を除く): 33925940

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 8429, 16858, 33716, 42145, 84290, 168580, 1525649, 3051298, 6102596, 7628245, 15256490, 30512980]

約数ペア:

[(1, 30512980), (2, 15256490), (4, 7628245), (5, 6102596), (10, 3051298), (20, 1525649), (181, 168580), (362, 84290), (724, 42145), (905, 33716), (1810, 16858), (3620, 8429)]