12990260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22397}}^1$

素因数の和:22435

約数の個数: 24

約数和(自身を含む): 28221480

約数和(自身を除く): 15231220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 22397, 44794, 89588, 111985, 223970, 447940, 649513, 1299026, 2598052, 3247565, 6495130, 12990260]

約数ペア:

[(1, 12990260), (2, 6495130), (4, 3247565), (5, 2598052), (10, 1299026), (20, 649513), (29, 447940), (58, 223970), (116, 111985), (145, 89588), (290, 44794), (580, 22397)]