16064120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 39744000

約数和(自身を除く): 23679880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 919, 920, 1748, 1838, 2185, 3496, 3676, 4370, 4595, 7352, 8740, 9190, 17461, 17480, 18380, 21137, 34922, 36760, 42274, 69844, 84548, 87305, 105685, 139688, 169096, 174610, 211370, 349220, 401603, 422740, 698440, 803206, 845480, 1606412, 2008015, 3212824, 4016030, 8032060, 16064120]

約数ペア:

[(1, 16064120), (2, 8032060), (4, 4016030), (5, 3212824), (8, 2008015), (10, 1606412), (19, 845480), (20, 803206), (23, 698440), (38, 422740), (40, 401603), (46, 349220), (76, 211370), (92, 174610), (95, 169096), (115, 139688), (152, 105685), (184, 87305), (190, 84548), (230, 69844), (380, 42274), (437, 36760), (460, 34922), (760, 21137), (874, 18380), (919, 17480), (920, 17461), (1748, 9190), (1838, 8740), (2185, 7352), (3496, 4595), (3676, 4370)]