55196080

素因数分解:

$2^4\times 5^1\times {\mathrm{689951}}^1$

素因数の和:689964

約数の個数: 20

約数和(自身を含む): 128331072

約数和(自身を除く): 73134992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 689951, 1379902, 2759804, 3449755, 5519608, 6899510, 11039216, 13799020, 27598040, 55196080]

約数ペア:

[(1, 55196080), (2, 27598040), (4, 13799020), (5, 11039216), (8, 6899510), (10, 5519608), (16, 3449755), (20, 2759804), (40, 1379902), (80, 689951)]