72914440

素因数分解:

$2^3\times 5^1\times {\mathrm{853}}^1\times {\mathrm{2137}}^1$

素因数の和:3001

約数の個数: 32

約数和(自身を含む): 164326680

約数和(自身を除く): 91412240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 853, 1706, 2137, 3412, 4265, 4274, 6824, 8530, 8548, 10685, 17060, 17096, 21370, 34120, 42740, 85480, 1822861, 3645722, 7291444, 9114305, 14582888, 18228610, 36457220, 72914440]

約数ペア:

[(1, 72914440), (2, 36457220), (4, 18228610), (5, 14582888), (8, 9114305), (10, 7291444), (20, 3645722), (40, 1822861), (853, 85480), (1706, 42740), (2137, 34120), (3412, 21370), (4265, 17096), (4274, 17060), (6824, 10685), (8530, 8548)]