4071640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 9240480

約数和(自身を除く): 5168840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 743, 1096, 1370, 1486, 2740, 2972, 3715, 5480, 5944, 7430, 14860, 29720, 101791, 203582, 407164, 508955, 814328, 1017910, 2035820, 4071640]

約数ペア:

[(1, 4071640), (2, 2035820), (4, 1017910), (5, 814328), (8, 508955), (10, 407164), (20, 203582), (40, 101791), (137, 29720), (274, 14860), (548, 7430), (685, 5944), (743, 5480), (1096, 3715), (1370, 2972), (1486, 2740)]