108506875

素因数分解:

$5^4\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1408

約数の個数: 20

約数和(自身を含む): 136675000

約数和(自身を除く): 28168125

約数列:

[1, 5, 25, 125, 139, 625, 695, 1249, 3475, 6245, 17375, 31225, 86875, 156125, 173611, 780625, 868055, 4340275, 21701375, 108506875]

約数ペア:

[(1, 108506875), (5, 21701375), (25, 4340275), (125, 868055), (139, 780625), (625, 173611), (695, 156125), (1249, 86875), (3475, 31225), (6245, 17375)]