8665940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18839}}^1$

素因数の和:18871

約数の個数: 24

約数和(自身を含む): 18990720

約数和(自身を除く): 10324780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 18839, 37678, 75356, 94195, 188390, 376780, 433297, 866594, 1733188, 2166485, 4332970, 8665940]

約数ペア:

[(1, 8665940), (2, 4332970), (4, 2166485), (5, 1733188), (10, 866594), (20, 433297), (23, 376780), (46, 188390), (92, 94195), (115, 75356), (230, 37678), (460, 18839)]