51498980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198073}}^1$

素因数の和:198095

約数の個数: 24

約数和(自身を含む): 116467512

約数和(自身を除く): 64968532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198073, 396146, 792292, 990365, 1980730, 2574949, 3961460, 5149898, 10299796, 12874745, 25749490, 51498980]

約数ペア:

[(1, 51498980), (2, 25749490), (4, 12874745), (5, 10299796), (10, 5149898), (13, 3961460), (20, 2574949), (26, 1980730), (52, 990365), (65, 792292), (130, 396146), (260, 198073)]