75581980

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{20879}}^1$

素因数の和:21069

約数の個数: 24

約数和(自身を含む): 159606720

約数和(自身を除く): 84024740

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 20879, 41758, 83516, 104395, 208790, 417580, 3779099, 7558198, 15116396, 18895495, 37790990, 75581980]

約数ペア:

[(1, 75581980), (2, 37790990), (4, 18895495), (5, 15116396), (10, 7558198), (20, 3779099), (181, 417580), (362, 208790), (724, 104395), (905, 83516), (1810, 41758), (3620, 20879)]