26396080

素因数分解:

$2^4\times 5^1\times {\mathrm{329951}}^1$

素因数の和:329964

約数の個数: 20

約数和(自身を含む): 61371072

約数和(自身を除く): 34974992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 329951, 659902, 1319804, 1649755, 2639608, 3299510, 5279216, 6599020, 13198040, 26396080]

約数ペア:

[(1, 26396080), (2, 13198040), (4, 6599020), (5, 5279216), (8, 3299510), (10, 2639608), (16, 1649755), (20, 1319804), (40, 659902), (80, 329951)]