51957320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12611}}^1$

素因数の和:12725

約数の個数: 32

約数和(自身を含む): 118048320

約数和(自身を除く): 66091000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 12611, 25222, 50444, 63055, 100888, 126110, 252220, 504440, 1298933, 2597866, 5195732, 6494665, 10391464, 12989330, 25978660, 51957320]

約数ペア:

[(1, 51957320), (2, 25978660), (4, 12989330), (5, 10391464), (8, 6494665), (10, 5195732), (20, 2597866), (40, 1298933), (103, 504440), (206, 252220), (412, 126110), (515, 100888), (824, 63055), (1030, 50444), (2060, 25222), (4120, 12611)]