25278890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27779}}^1$

素因数の和:27806

約数の個数: 32

約数和(自身を含む): 56004480

約数和(自身を除く): 30725590

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 27779, 55558, 138895, 194453, 277790, 361127, 388906, 722254, 972265, 1805635, 1944530, 2527889, 3611270, 5055778, 12639445, 25278890]

約数ペア:

[(1, 25278890), (2, 12639445), (5, 5055778), (7, 3611270), (10, 2527889), (13, 1944530), (14, 1805635), (26, 972265), (35, 722254), (65, 388906), (70, 361127), (91, 277790), (130, 194453), (182, 138895), (455, 55558), (910, 27779)]