39246160

素因数分解:

$2^4\times 5^1\times {\mathrm{490577}}^1$

素因数の和:490590

約数の個数: 20

約数和(自身を含む): 91247508

約数和(自身を除く): 52001348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490577, 981154, 1962308, 2452885, 3924616, 4905770, 7849232, 9811540, 19623080, 39246160]

約数ペア:

[(1, 39246160), (2, 19623080), (4, 9811540), (5, 7849232), (8, 4905770), (10, 3924616), (16, 2452885), (20, 1962308), (40, 981154), (80, 490577)]