12373880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4357}}^1$

素因数の和:4439

約数の個数: 32

約数和(自身を含む): 28239840

約数和(自身を除く): 15865960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4357, 8714, 17428, 21785, 34856, 43570, 87140, 174280, 309347, 618694, 1237388, 1546735, 2474776, 3093470, 6186940, 12373880]

約数ペア:

[(1, 12373880), (2, 6186940), (4, 3093470), (5, 2474776), (8, 1546735), (10, 1237388), (20, 618694), (40, 309347), (71, 174280), (142, 87140), (284, 43570), (355, 34856), (568, 21785), (710, 17428), (1420, 8714), (2840, 4357)]