206563160

素因数分解:

$2^3\times 5^1\times {\mathrm{5164079}}^1$

素因数の和:5164090

約数の個数: 16

約数和(自身を含む): 464767200

約数和(自身を除く): 258204040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5164079, 10328158, 20656316, 25820395, 41312632, 51640790, 103281580, 206563160]

約数ペア:

[(1, 206563160), (2, 103281580), (4, 51640790), (5, 41312632), (8, 25820395), (10, 20656316), (20, 10328158), (40, 5164079)]