5426980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20873}}^1$

素因数の和:20895

約数の個数: 24

約数和(自身を含む): 12273912

約数和(自身を除く): 6846932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20873, 41746, 83492, 104365, 208730, 271349, 417460, 542698, 1085396, 1356745, 2713490, 5426980]

約数ペア:

[(1, 5426980), (2, 2713490), (4, 1356745), (5, 1085396), (10, 542698), (13, 417460), (20, 271349), (26, 208730), (52, 104365), (65, 83492), (130, 41746), (260, 20873)]