78851320

素因数分解:

$2^3\times 5^1\times {\mathrm{853}}^1\times {\mathrm{2311}}^1$

素因数の和:3175

約数の個数: 32

約数和(自身を含む): 177700320

約数和(自身を除く): 98849000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 853, 1706, 2311, 3412, 4265, 4622, 6824, 8530, 9244, 11555, 17060, 18488, 23110, 34120, 46220, 92440, 1971283, 3942566, 7885132, 9856415, 15770264, 19712830, 39425660, 78851320]

約数ペア:

[(1, 78851320), (2, 39425660), (4, 19712830), (5, 15770264), (8, 9856415), (10, 7885132), (20, 3942566), (40, 1971283), (853, 92440), (1706, 46220), (2311, 34120), (3412, 23110), (4265, 18488), (4622, 17060), (6824, 11555), (8530, 9244)]