51894160

素因数分解:

$2^4\times 5^1\times {\mathrm{648677}}^1$

素因数の和:648690

約数の個数: 20

約数和(自身を含む): 120654108

約数和(自身を除く): 68759948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 648677, 1297354, 2594708, 3243385, 5189416, 6486770, 10378832, 12973540, 25947080, 51894160]

約数ペア:

[(1, 51894160), (2, 25947080), (4, 12973540), (5, 10378832), (8, 6486770), (10, 5189416), (16, 3243385), (20, 2594708), (40, 1297354), (80, 648677)]