207810408040

素因数分解:

$2^3\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{2496521}}^1$

素因数の和:2498613

約数の個数: 32

約数和(自身を含む): 467798292360

約数和(自身を除く): 259987884320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2081, 4162, 8324, 10405, 16648, 20810, 41620, 83240, 2496521, 4993042, 9986084, 12482605, 19972168, 24965210, 49930420, 99860840, 5195260201, 10390520402, 20781040804, 25976301005, 41562081608, 51952602010, 103905204020, 207810408040]

約数ペア:

[(1, 207810408040), (2, 103905204020), (4, 51952602010), (5, 41562081608), (8, 25976301005), (10, 20781040804), (20, 10390520402), (40, 5195260201), (2081, 99860840), (4162, 49930420), (8324, 24965210), (10405, 19972168), (16648, 12482605), (20810, 9986084), (41620, 4993042), (83240, 2496521)]