25390352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122069}}^1$

素因数の和:122090

約数の個数: 20

約数和(自身を含む): 52978380

約数和(自身を除く): 27588028

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122069, 244138, 488276, 976552, 1586897, 1953104, 3173794, 6347588, 12695176, 25390352]

約数ペア:

[(1, 25390352), (2, 12695176), (4, 6347588), (8, 3173794), (13, 1953104), (16, 1586897), (26, 976552), (52, 488276), (104, 244138), (208, 122069)]