7891120

素因数分解:

$2^4\times 5^1\times {\mathrm{98639}}^1$

素因数の和:98652

約数の個数: 20

約数和(自身を含む): 18347040

約数和(自身を除く): 10455920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 98639, 197278, 394556, 493195, 789112, 986390, 1578224, 1972780, 3945560, 7891120]

約数ペア:

[(1, 7891120), (2, 3945560), (4, 1972780), (5, 1578224), (8, 986390), (10, 789112), (16, 493195), (20, 394556), (40, 197278), (80, 98639)]