72642140

素因数分解:

$2^2\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{1933}}^1$

素因数の和:3821

約数の個数: 24

約数和(自身を含む): 152708640

約数和(自身を除く): 80066500

約数列:

[1, 2, 4, 5, 10, 20, 1879, 1933, 3758, 3866, 7516, 7732, 9395, 9665, 18790, 19330, 37580, 38660, 3632107, 7264214, 14528428, 18160535, 36321070, 72642140]

約数ペア:

[(1, 72642140), (2, 36321070), (4, 18160535), (5, 14528428), (10, 7264214), (20, 3632107), (1879, 38660), (1933, 37580), (3758, 19330), (3866, 18790), (7516, 9665), (7732, 9395)]