25682540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98779}}^1$

素因数の和:98801

約数の個数: 24

約数和(自身を含む): 58082640

約数和(自身を除く): 32400100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98779, 197558, 395116, 493895, 987790, 1284127, 1975580, 2568254, 5136508, 6420635, 12841270, 25682540]

約数ペア:

[(1, 25682540), (2, 12841270), (4, 6420635), (5, 5136508), (10, 2568254), (13, 1975580), (20, 1284127), (26, 987790), (52, 493895), (65, 395116), (130, 197558), (260, 98779)]