209856320

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6367}}^1$

素因数の和:6487

約数の個数: 56

約数和(自身を含む): 504651264

約数和(自身を除く): 294794944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 6367, 6592, 8240, 12734, 16480, 25468, 31835, 32960, 50936, 63670, 101872, 127340, 203744, 254680, 407488, 509360, 655801, 1018720, 1311602, 2037440, 2623204, 3279005, 5246408, 6558010, 10492816, 13116020, 20985632, 26232040, 41971264, 52464080, 104928160, 209856320]

約数ペア:

[(1, 209856320), (2, 104928160), (4, 52464080), (5, 41971264), (8, 26232040), (10, 20985632), (16, 13116020), (20, 10492816), (32, 6558010), (40, 5246408), (64, 3279005), (80, 2623204), (103, 2037440), (160, 1311602), (206, 1018720), (320, 655801), (412, 509360), (515, 407488), (824, 254680), (1030, 203744), (1648, 127340), (2060, 101872), (3296, 63670), (4120, 50936), (6367, 32960), (6592, 31835), (8240, 25468), (12734, 16480)]