39691640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7243}}^1$

素因数の和:7391

約数の個数: 32

約数和(自身を含む): 89970480

約数和(自身を除く): 50278840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 7243, 14486, 28972, 36215, 57944, 72430, 144860, 289720, 992291, 1984582, 3969164, 4961455, 7938328, 9922910, 19845820, 39691640]

約数ペア:

[(1, 39691640), (2, 19845820), (4, 9922910), (5, 7938328), (8, 4961455), (10, 3969164), (20, 1984582), (40, 992291), (137, 289720), (274, 144860), (548, 72430), (685, 57944), (1096, 36215), (1370, 28972), (2740, 14486), (5480, 7243)]