2080796860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1168987}}^1$

素因数の和:1169085

約数の個数: 24

約数和(自身を含む): 4418774640

約数和(自身を除く): 2337977780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 1168987, 2337974, 4675948, 5844935, 11689870, 23379740, 104039843, 208079686, 416159372, 520199215, 1040398430, 2080796860]

約数ペア:

[(1, 2080796860), (2, 1040398430), (4, 520199215), (5, 416159372), (10, 208079686), (20, 104039843), (89, 23379740), (178, 11689870), (356, 5844935), (445, 4675948), (890, 2337974), (1780, 1168987)]