2012321320

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{98837}}^1$

素因数の和:99357

約数の個数: 32

約数和(自身を含む): 4536664200

約数和(自身を除く): 2524342880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 10180, 20360, 98837, 197674, 395348, 494185, 790696, 988370, 1976740, 3953480, 50308033, 100616066, 201232132, 251540165, 402464264, 503080330, 1006160660, 2012321320]

約数ペア:

[(1, 2012321320), (2, 1006160660), (4, 503080330), (5, 402464264), (8, 251540165), (10, 201232132), (20, 100616066), (40, 50308033), (509, 3953480), (1018, 1976740), (2036, 988370), (2545, 790696), (4072, 494185), (5090, 395348), (10180, 197674), (20360, 98837)]