26398775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1955

約数の個数: 24

約数和(自身を含む): 36091440

約数和(自身を除く): 9692665

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 1889, 2795, 9445, 13975, 24557, 47225, 81227, 122785, 406135, 613925, 1055951, 2030675, 5279755, 26398775]

約数ペア:

[(1, 26398775), (5, 5279755), (13, 2030675), (25, 1055951), (43, 613925), (65, 406135), (215, 122785), (325, 81227), (559, 47225), (1075, 24557), (1889, 13975), (2795, 9445)]