57426980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220873}}^1$

素因数の和:220895

約数の個数: 24

約数和(自身を含む): 129873912

約数和(自身を除く): 72446932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 220873, 441746, 883492, 1104365, 2208730, 2871349, 4417460, 5742698, 11485396, 14356745, 28713490, 57426980]

約数ペア:

[(1, 57426980), (2, 28713490), (4, 14356745), (5, 11485396), (10, 5742698), (13, 4417460), (20, 2871349), (26, 2208730), (52, 1104365), (65, 883492), (130, 441746), (260, 220873)]