201123207920

素因数分解:

$2^4\times 5^1\times {\mathrm{10211}}^1\times {\mathrm{246209}}^1$

素因数の和:256433

約数の個数: 40

約数和(自身を含む): 467659152720

約数和(自身を除く): 266535944800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10211, 20422, 40844, 51055, 81688, 102110, 163376, 204220, 246209, 408440, 492418, 816880, 984836, 1231045, 1969672, 2462090, 3939344, 4924180, 9848360, 19696720, 2514040099, 5028080198, 10056160396, 12570200495, 20112320792, 25140400990, 40224641584, 50280801980, 100561603960, 201123207920]

約数ペア:

[(1, 201123207920), (2, 100561603960), (4, 50280801980), (5, 40224641584), (8, 25140400990), (10, 20112320792), (16, 12570200495), (20, 10056160396), (40, 5028080198), (80, 2514040099), (10211, 19696720), (20422, 9848360), (40844, 4924180), (51055, 3939344), (81688, 2462090), (102110, 1969672), (163376, 1231045), (204220, 984836), (246209, 816880), (408440, 492418)]