861013040

素因数分解:

$2^4\times 5^1\times {\mathrm{10762663}}^1$

素因数の和:10762676

約数の個数: 20

約数和(自身を含む): 2001855504

約数和(自身を除く): 1140842464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10762663, 21525326, 43050652, 53813315, 86101304, 107626630, 172202608, 215253260, 430506520, 861013040]

約数ペア:

[(1, 861013040), (2, 430506520), (4, 215253260), (5, 172202608), (8, 107626630), (10, 86101304), (16, 53813315), (20, 43050652), (40, 21525326), (80, 10762663)]