79889375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 40

約数和(自身を含む): 108190368

約数和(自身を除く): 28300993

約数列:

[1, 5, 17, 25, 73, 85, 103, 125, 365, 425, 515, 625, 1241, 1751, 1825, 2125, 2575, 6205, 7519, 8755, 9125, 10625, 12875, 31025, 37595, 43775, 45625, 64375, 127823, 155125, 187975, 218875, 639115, 775625, 939875, 1094375, 3195575, 4699375, 15977875, 79889375]

約数ペア:

[(1, 79889375), (5, 15977875), (17, 4699375), (25, 3195575), (73, 1094375), (85, 939875), (103, 775625), (125, 639115), (365, 218875), (425, 187975), (515, 155125), (625, 127823), (1241, 64375), (1751, 45625), (1825, 43775), (2125, 37595), (2575, 31025), (6205, 12875), (7519, 10625), (8755, 9125)]