49680560

素因数分解:

$2^4\times 5^1\times {\mathrm{621007}}^1$

素因数の和:621020

約数の個数: 20

約数和(自身を含む): 115507488

約数和(自身を除く): 65826928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 621007, 1242014, 2484028, 3105035, 4968056, 6210070, 9936112, 12420140, 24840280, 49680560]

約数ペア:

[(1, 49680560), (2, 24840280), (4, 12420140), (5, 9936112), (8, 6210070), (10, 4968056), (16, 3105035), (20, 2484028), (40, 1242014), (80, 621007)]