210007763320

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{16881653}}^1$

素因数の和:16881975

約数の個数: 32

約数和(自身を含む): 474036844320

約数和(自身を除く): 264029081000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 16881653, 33763306, 67526612, 84408265, 135053224, 168816530, 337633060, 675266120, 5250194083, 10500388166, 21000776332, 26250970415, 42001552664, 52501940830, 105003881660, 210007763320]

約数ペア:

[(1, 210007763320), (2, 105003881660), (4, 52501940830), (5, 42001552664), (8, 26250970415), (10, 21000776332), (20, 10500388166), (40, 5250194083), (311, 675266120), (622, 337633060), (1244, 168816530), (1555, 135053224), (2488, 84408265), (3110, 67526612), (6220, 33763306), (12440, 16881653)]