25809290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198533}}^1$

素因数の和:198553

約数の個数: 16

約数和(自身を含む): 50030568

約数和(自身を除く): 24221278

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 198533, 397066, 992665, 1985330, 2580929, 5161858, 12904645, 25809290]

約数ペア:

[(1, 25809290), (2, 12904645), (5, 5161858), (10, 2580929), (13, 1985330), (26, 992665), (65, 397066), (130, 198533)]