8138740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13127}}^1$

素因数の和:13167

約数の個数: 24

約数和(自身を含む): 17644032

約数和(自身を除く): 9505292

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 13127, 26254, 52508, 65635, 131270, 262540, 406937, 813874, 1627748, 2034685, 4069370, 8138740]

約数ペア:

[(1, 8138740), (2, 4069370), (4, 2034685), (5, 1627748), (10, 813874), (20, 406937), (31, 262540), (62, 131270), (124, 65635), (155, 52508), (310, 26254), (620, 13127)]