28080760

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{853}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 63332640

約数和(自身を除く): 35251880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 853, 1646, 1706, 3292, 3412, 4115, 4265, 6584, 6824, 8230, 8530, 16460, 17060, 32920, 34120, 702019, 1404038, 2808076, 3510095, 5616152, 7020190, 14040380, 28080760]

約数ペア:

[(1, 28080760), (2, 14040380), (4, 7020190), (5, 5616152), (8, 3510095), (10, 2808076), (20, 1404038), (40, 702019), (823, 34120), (853, 32920), (1646, 17060), (1706, 16460), (3292, 8530), (3412, 8230), (4115, 6824), (4265, 6584)]