30823280

素因数分解:

$2^4\times 5^1\times {\mathrm{385291}}^1$

素因数の和:385304

約数の個数: 20

約数和(自身を含む): 71664312

約数和(自身を除く): 40841032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385291, 770582, 1541164, 1926455, 3082328, 3852910, 6164656, 7705820, 15411640, 30823280]

約数ペア:

[(1, 30823280), (2, 15411640), (4, 7705820), (5, 6164656), (8, 3852910), (10, 3082328), (16, 1926455), (20, 1541164), (40, 770582), (80, 385291)]