66728980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{145063}}^1$

素因数の和:145095

約数の個数: 24

約数和(自身を含む): 146224512

約数和(自身を除く): 79495532

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 145063, 290126, 580252, 725315, 1450630, 2901260, 3336449, 6672898, 13345796, 16682245, 33364490, 66728980]

約数ペア:

[(1, 66728980), (2, 33364490), (4, 16682245), (5, 13345796), (10, 6672898), (20, 3336449), (23, 2901260), (46, 1450630), (92, 725315), (115, 580252), (230, 290126), (460, 145063)]