8307940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21863}}^1$

素因数の和:21891

約数の個数: 24

約数和(自身を含む): 18365760

約数和(自身を除く): 10057820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21863, 43726, 87452, 109315, 218630, 415397, 437260, 830794, 1661588, 2076985, 4153970, 8307940]

約数ペア:

[(1, 8307940), (2, 4153970), (4, 2076985), (5, 1661588), (10, 830794), (19, 437260), (20, 415397), (38, 218630), (76, 109315), (95, 87452), (190, 43726), (380, 21863)]