3980560

素因数分解:

$2^4\times 5^1\times {\mathrm{49757}}^1$

素因数の和:49770

約数の個数: 20

約数和(自身を含む): 9254988

約数和(自身を除く): 5274428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49757, 99514, 199028, 248785, 398056, 497570, 796112, 995140, 1990280, 3980560]

約数ペア:

[(1, 3980560), (2, 1990280), (4, 995140), (5, 796112), (8, 497570), (10, 398056), (16, 248785), (20, 199028), (40, 99514), (80, 49757)]