51693125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 72126912

約数和(自身を除く): 20433787

約数列:

[1, 5, 11, 25, 55, 73, 103, 125, 275, 365, 515, 625, 803, 1133, 1375, 1825, 2575, 4015, 5665, 6875, 7519, 9125, 12875, 20075, 28325, 37595, 45625, 64375, 82709, 100375, 141625, 187975, 413545, 501875, 708125, 939875, 2067725, 4699375, 10338625, 51693125]

約数ペア:

[(1, 51693125), (5, 10338625), (11, 4699375), (25, 2067725), (55, 939875), (73, 708125), (103, 501875), (125, 413545), (275, 187975), (365, 141625), (515, 100375), (625, 82709), (803, 64375), (1133, 45625), (1375, 37595), (1825, 28325), (2575, 20075), (4015, 12875), (5665, 9125), (6875, 7519)]