39136280

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4637}}^1$

素因数の和:4859

約数の個数: 32

約数和(自身を含む): 88493040

約数和(自身を除く): 49356760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 4637, 8440, 9274, 18548, 23185, 37096, 46370, 92740, 185480, 978407, 1956814, 3913628, 4892035, 7827256, 9784070, 19568140, 39136280]

約数ペア:

[(1, 39136280), (2, 19568140), (4, 9784070), (5, 7827256), (8, 4892035), (10, 3913628), (20, 1956814), (40, 978407), (211, 185480), (422, 92740), (844, 46370), (1055, 37096), (1688, 23185), (2110, 18548), (4220, 9274), (4637, 8440)]