205653920

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12479}}^1$

素因数の和:12597

約数の個数: 48

約数和(自身を含む): 490613760

約数和(自身を除く): 284959840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 8240, 12479, 16480, 24958, 49916, 62395, 99832, 124790, 199664, 249580, 399328, 499160, 998320, 1285337, 1996640, 2570674, 5141348, 6426685, 10282696, 12853370, 20565392, 25706740, 41130784, 51413480, 102826960, 205653920]

約数ペア:

[(1, 205653920), (2, 102826960), (4, 51413480), (5, 41130784), (8, 25706740), (10, 20565392), (16, 12853370), (20, 10282696), (32, 6426685), (40, 5141348), (80, 2570674), (103, 1996640), (160, 1285337), (206, 998320), (412, 499160), (515, 399328), (824, 249580), (1030, 199664), (1648, 124790), (2060, 99832), (3296, 62395), (4120, 49916), (8240, 24958), (12479, 16480)]