8636080

素因数分解:

$2^4\times 5^1\times {\mathrm{107951}}^1$

素因数の和:107964

約数の個数: 20

約数和(自身を含む): 20079072

約数和(自身を除く): 11442992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107951, 215902, 431804, 539755, 863608, 1079510, 1727216, 2159020, 4318040, 8636080]

約数ペア:

[(1, 8636080), (2, 4318040), (4, 2159020), (5, 1727216), (8, 1079510), (10, 863608), (16, 539755), (20, 431804), (40, 215902), (80, 107951)]