30909020

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2411}}^1$

素因数の和:3061

約数の個数: 24

約数和(自身を含む): 65037168

約数和(自身を除く): 34128148

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2411, 2564, 3205, 4822, 6410, 9644, 12055, 12820, 24110, 48220, 1545451, 3090902, 6181804, 7727255, 15454510, 30909020]

約数ペア:

[(1, 30909020), (2, 15454510), (4, 7727255), (5, 6181804), (10, 3090902), (20, 1545451), (641, 48220), (1282, 24110), (2411, 12820), (2564, 12055), (3205, 9644), (4822, 6410)]