28623620

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1571}}^1$

素因数の和:2491

約数の個数: 24

約数和(自身を含む): 60213888

約数和(自身を除く): 31590268

約数列:

[1, 2, 4, 5, 10, 20, 911, 1571, 1822, 3142, 3644, 4555, 6284, 7855, 9110, 15710, 18220, 31420, 1431181, 2862362, 5724724, 7155905, 14311810, 28623620]

約数ペア:

[(1, 28623620), (2, 14311810), (4, 7155905), (5, 5724724), (10, 2862362), (20, 1431181), (911, 31420), (1571, 18220), (1822, 15710), (3142, 9110), (3644, 7855), (4555, 6284)]