2723320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 6196320

約数和(自身を除く): 3473000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 661, 824, 1030, 1322, 2060, 2644, 3305, 4120, 5288, 6610, 13220, 26440, 68083, 136166, 272332, 340415, 544664, 680830, 1361660, 2723320]

約数ペア:

[(1, 2723320), (2, 1361660), (4, 680830), (5, 544664), (8, 340415), (10, 272332), (20, 136166), (40, 68083), (103, 26440), (206, 13220), (412, 6610), (515, 5288), (661, 4120), (824, 3305), (1030, 2644), (1322, 2060)]