22461640

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1609}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 50715000

約数和(自身を除く): 28253360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1609, 1745, 2792, 3218, 3490, 6436, 6980, 8045, 12872, 13960, 16090, 32180, 64360, 561541, 1123082, 2246164, 2807705, 4492328, 5615410, 11230820, 22461640]

約数ペア:

[(1, 22461640), (2, 11230820), (4, 5615410), (5, 4492328), (8, 2807705), (10, 2246164), (20, 1123082), (40, 561541), (349, 64360), (698, 32180), (1396, 16090), (1609, 13960), (1745, 12872), (2792, 8045), (3218, 6980), (3490, 6436)]