56355280

素因数分解:

$2^4\times 5^1\times {\mathrm{704441}}^1$

素因数の和:704454

約数の個数: 20

約数和(自身を含む): 131026212

約数和(自身を除く): 74670932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 704441, 1408882, 2817764, 3522205, 5635528, 7044410, 11271056, 14088820, 28177640, 56355280]

約数ペア:

[(1, 56355280), (2, 28177640), (4, 14088820), (5, 11271056), (8, 7044410), (10, 5635528), (16, 3522205), (20, 2817764), (40, 1408882), (80, 704441)]