31197640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5693}}^1$

素因数の和:5841

約数の個数: 32

約数和(自身を含む): 70719480

約数和(自身を除く): 39521840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 5693, 11386, 22772, 28465, 45544, 56930, 113860, 227720, 779941, 1559882, 3119764, 3899705, 6239528, 7799410, 15598820, 31197640]

約数ペア:

[(1, 31197640), (2, 15598820), (4, 7799410), (5, 6239528), (8, 3899705), (10, 3119764), (20, 1559882), (40, 779941), (137, 227720), (274, 113860), (548, 56930), (685, 45544), (1096, 28465), (1370, 22772), (2740, 11386), (5480, 5693)]