28623020

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5281}}^1$

素因数の和:5561

約数の個数: 24

約数和(自身を含む): 60341568

約数和(自身を除く): 31718548

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5281, 5420, 10562, 21124, 26405, 52810, 105620, 1431151, 2862302, 5724604, 7155755, 14311510, 28623020]

約数ペア:

[(1, 28623020), (2, 14311510), (4, 7155755), (5, 5724604), (10, 2862302), (20, 1431151), (271, 105620), (542, 52810), (1084, 26405), (1355, 21124), (2710, 10562), (5281, 5420)]