25555088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122861}}^1$

素因数の和:122882

約数の個数: 20

約数和(自身を含む): 53322108

約数和(自身を除く): 27767020

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122861, 245722, 491444, 982888, 1597193, 1965776, 3194386, 6388772, 12777544, 25555088]

約数ペア:

[(1, 25555088), (2, 12777544), (4, 6388772), (8, 3194386), (13, 1965776), (16, 1597193), (26, 982888), (52, 491444), (104, 245722), (208, 122861)]