25731290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197933}}^1$

素因数の和:197953

約数の個数: 16

約数和(自身を含む): 49879368

約数和(自身を除く): 24148078

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197933, 395866, 989665, 1979330, 2573129, 5146258, 12865645, 25731290]

約数ペア:

[(1, 25731290), (2, 12865645), (5, 5146258), (10, 2573129), (13, 1979330), (26, 989665), (65, 395866), (130, 197933)]