55249025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 74370240

約数和(自身を除く): 19121215

約数列:

[1, 5, 13, 25, 65, 139, 325, 695, 1223, 1807, 3475, 6115, 9035, 15899, 30575, 45175, 79495, 169997, 397475, 849985, 2209961, 4249925, 11049805, 55249025]

約数ペア:

[(1, 55249025), (5, 11049805), (13, 4249925), (25, 2209961), (65, 849985), (139, 397475), (325, 169997), (695, 79495), (1223, 45175), (1807, 30575), (3475, 15899), (6115, 9035)]