25965260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21283}}^1$

素因数の和:21353

約数の個数: 24

約数和(自身を含む): 55423536

約数和(自身を除く): 29458276

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 21283, 42566, 85132, 106415, 212830, 425660, 1298263, 2596526, 5193052, 6491315, 12982630, 25965260]

約数ペア:

[(1, 25965260), (2, 12982630), (4, 6491315), (5, 5193052), (10, 2596526), (20, 1298263), (61, 425660), (122, 212830), (244, 106415), (305, 85132), (610, 42566), (1220, 21283)]