30945560

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5647}}^1$

素因数の和:5795

約数の個数: 32

約数和(自身を含む): 70148160

約数和(自身を除く): 39202600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 5647, 11294, 22588, 28235, 45176, 56470, 112940, 225880, 773639, 1547278, 3094556, 3868195, 6189112, 7736390, 15472780, 30945560]

約数ペア:

[(1, 30945560), (2, 15472780), (4, 7736390), (5, 6189112), (8, 3868195), (10, 3094556), (20, 1547278), (40, 773639), (137, 225880), (274, 112940), (548, 56470), (685, 45176), (1096, 28235), (1370, 22588), (2740, 11294), (5480, 5647)]