8455390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11909}}^1$

素因数の和:11987

約数の個数: 16

約数和(自身を含む): 15435360

約数和(自身を除く): 6979970

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 11909, 23818, 59545, 119090, 845539, 1691078, 4227695, 8455390]

約数ペア:

[(1, 8455390), (2, 4227695), (5, 1691078), (10, 845539), (71, 119090), (142, 59545), (355, 23818), (710, 11909)]