56540275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{18691}}^1$

素因数の和:18723

約数の個数: 18

約数和(自身を含む): 77067116

約数和(自身を除く): 20526841

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 18691, 93455, 205601, 467275, 1028005, 2261611, 5140025, 11308055, 56540275]

約数ペア:

[(1, 56540275), (5, 11308055), (11, 5140025), (25, 2261611), (55, 1028005), (121, 467275), (275, 205601), (605, 93455), (3025, 18691)]