2019969808720

素因数分解:

$2^4\times 5^1\times {\mathrm{298943}}^1\times {\mathrm{84463}}^1$

素因数の和:383419

約数の個数: 40

約数和(自身を含む): 4696501118976

約数和(自身を除く): 2676531310256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 84463, 168926, 298943, 337852, 422315, 597886, 675704, 844630, 1195772, 1351408, 1494715, 1689260, 2391544, 2989430, 3378520, 4783088, 5978860, 6757040, 11957720, 23915440, 25249622609, 50499245218, 100998490436, 126248113045, 201996980872, 252496226090, 403993961744, 504992452180, 1009984904360, 2019969808720]

約数ペア:

[(1, 2019969808720), (2, 1009984904360), (4, 504992452180), (5, 403993961744), (8, 252496226090), (10, 201996980872), (16, 126248113045), (20, 100998490436), (40, 50499245218), (80, 25249622609), (84463, 23915440), (168926, 11957720), (298943, 6757040), (337852, 5978860), (422315, 4783088), (597886, 3378520), (675704, 2989430), (844630, 2391544), (1195772, 1689260), (1351408, 1494715)]