67589020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{18671}}^1$

素因数の和:18861

約数の個数: 24

約数和(自身を含む): 142728768

約数和(自身を除く): 75139748

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 18671, 37342, 74684, 93355, 186710, 373420, 3379451, 6758902, 13517804, 16897255, 33794510, 67589020]

約数ペア:

[(1, 67589020), (2, 33794510), (4, 16897255), (5, 13517804), (10, 6758902), (20, 3379451), (181, 373420), (362, 186710), (724, 93355), (905, 74684), (1810, 37342), (3620, 18671)]