30908840

素因数分解:

$2^3\times 5^1\times {\mathrm{772721}}^1$

素因数の和:772732

約数の個数: 16

約数和(自身を含む): 69544980

約数和(自身を除く): 38636140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 772721, 1545442, 3090884, 3863605, 6181768, 7727210, 15454420, 30908840]

約数ペア:

[(1, 30908840), (2, 15454420), (4, 7727210), (5, 6181768), (8, 3863605), (10, 3090884), (20, 1545442), (40, 772721)]