31940180

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{11657}}^1$

素因数の和:11803

約数の個数: 24

約数和(自身を含む): 67569768

約数和(自身を除く): 35629588

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 11657, 23314, 46628, 58285, 116570, 233140, 1597009, 3194018, 6388036, 7985045, 15970090, 31940180]

約数ペア:

[(1, 31940180), (2, 15970090), (4, 7985045), (5, 6388036), (10, 3194018), (20, 1597009), (137, 233140), (274, 116570), (548, 58285), (685, 46628), (1370, 23314), (2740, 11657)]