25989860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99961}}^1$

素因数の和:99983

約数の個数: 24

約数和(自身を含む): 58777656

約数和(自身を除く): 32787796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99961, 199922, 399844, 499805, 999610, 1299493, 1999220, 2598986, 5197972, 6497465, 12994930, 25989860]

約数ペア:

[(1, 25989860), (2, 12994930), (4, 6497465), (5, 5197972), (10, 2598986), (13, 1999220), (20, 1299493), (26, 999610), (52, 499805), (65, 399844), (130, 199922), (260, 99961)]