40513640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7393}}^1$

素因数の和:7541

約数の個数: 32

約数和(自身を含む): 91833480

約数和(自身を除く): 51319840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 7393, 14786, 29572, 36965, 59144, 73930, 147860, 295720, 1012841, 2025682, 4051364, 5064205, 8102728, 10128410, 20256820, 40513640]

約数ペア:

[(1, 40513640), (2, 20256820), (4, 10128410), (5, 8102728), (8, 5064205), (10, 4051364), (20, 2025682), (40, 1012841), (137, 295720), (274, 147860), (548, 73930), (685, 59144), (1096, 36965), (1370, 29572), (2740, 14786), (5480, 7393)]