28623340

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7907}}^1$

素因数の和:8097

約数の個数: 24

約数和(自身を含む): 60448752

約数和(自身を除く): 31825412

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 7907, 15814, 31628, 39535, 79070, 158140, 1431167, 2862334, 5724668, 7155835, 14311670, 28623340]

約数ペア:

[(1, 28623340), (2, 14311670), (4, 7155835), (5, 5724668), (10, 2862334), (20, 1431167), (181, 158140), (362, 79070), (724, 39535), (905, 31628), (1810, 15814), (3620, 7907)]