25893790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{487}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 50420160

約数和(自身を除く): 24526370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 487, 818, 974, 2045, 2435, 4090, 4870, 5317, 6331, 10634, 12662, 26585, 31655, 53170, 63310, 199183, 398366, 995915, 1991830, 2589379, 5178758, 12946895, 25893790]

約数ペア:

[(1, 25893790), (2, 12946895), (5, 5178758), (10, 2589379), (13, 1991830), (26, 995915), (65, 398366), (130, 199183), (409, 63310), (487, 53170), (818, 31655), (974, 26585), (2045, 12662), (2435, 10634), (4090, 6331), (4870, 5317)]