123664880

素因数分解:

$2^4\times 5^1\times {\mathrm{1545811}}^1$

素因数の和:1545824

約数の個数: 20

約数和(自身を含む): 287521032

約数和(自身を除く): 163856152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1545811, 3091622, 6183244, 7729055, 12366488, 15458110, 24732976, 30916220, 61832440, 123664880]

約数ペア:

[(1, 123664880), (2, 61832440), (4, 30916220), (5, 24732976), (8, 15458110), (10, 12366488), (16, 7729055), (20, 6183244), (40, 3091622), (80, 1545811)]