8903320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2161}}^1$

素因数の和:2275

約数の個数: 32

約数和(自身を含む): 20236320

約数和(自身を除く): 11333000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 2161, 4120, 4322, 8644, 10805, 17288, 21610, 43220, 86440, 222583, 445166, 890332, 1112915, 1780664, 2225830, 4451660, 8903320]

約数ペア:

[(1, 8903320), (2, 4451660), (4, 2225830), (5, 1780664), (8, 1112915), (10, 890332), (20, 445166), (40, 222583), (103, 86440), (206, 43220), (412, 21610), (515, 17288), (824, 10805), (1030, 8644), (2060, 4322), (2161, 4120)]