8388320

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 20049120

約数和(自身を除く): 11660800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 509, 515, 824, 1018, 1030, 1648, 2036, 2060, 2545, 3296, 4072, 4120, 5090, 8144, 8240, 10180, 16288, 16480, 20360, 40720, 52427, 81440, 104854, 209708, 262135, 419416, 524270, 838832, 1048540, 1677664, 2097080, 4194160, 8388320]

約数ペア:

[(1, 8388320), (2, 4194160), (4, 2097080), (5, 1677664), (8, 1048540), (10, 838832), (16, 524270), (20, 419416), (32, 262135), (40, 209708), (80, 104854), (103, 81440), (160, 52427), (206, 40720), (412, 20360), (509, 16480), (515, 16288), (824, 10180), (1018, 8240), (1030, 8144), (1648, 5090), (2036, 4120), (2060, 4072), (2545, 3296)]