25642435

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 39414816

約数和(自身を除く): 13772381

約数列:

[1, 5, 7, 13, 35, 49, 65, 83, 91, 97, 245, 415, 455, 485, 581, 637, 679, 1079, 1261, 2905, 3185, 3395, 4067, 4753, 5395, 6305, 7553, 8051, 8827, 20335, 23765, 37765, 40255, 44135, 52871, 56357, 61789, 104663, 264355, 281785, 308945, 394499, 523315, 732641, 1972495, 3663205, 5128487, 25642435]

約数ペア:

[(1, 25642435), (5, 5128487), (7, 3663205), (13, 1972495), (35, 732641), (49, 523315), (65, 394499), (83, 308945), (91, 281785), (97, 264355), (245, 104663), (415, 61789), (455, 56357), (485, 52871), (581, 44135), (637, 40255), (679, 37765), (1079, 23765), (1261, 20335), (2905, 8827), (3185, 8051), (3395, 7553), (4067, 6305), (4753, 5395)]