51435625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 40

約数和(自身を含む): 70177536

約数和(自身を除く): 18741911

約数列:

[1, 5, 17, 25, 47, 85, 103, 125, 235, 425, 515, 625, 799, 1175, 1751, 2125, 2575, 3995, 4841, 5875, 8755, 10625, 12875, 19975, 24205, 29375, 43775, 64375, 82297, 99875, 121025, 218875, 411485, 499375, 605125, 1094375, 2057425, 3025625, 10287125, 51435625]

約数ペア:

[(1, 51435625), (5, 10287125), (17, 3025625), (25, 2057425), (47, 1094375), (85, 605125), (103, 499375), (125, 411485), (235, 218875), (425, 121025), (515, 99875), (625, 82297), (799, 64375), (1175, 43775), (1751, 29375), (2125, 24205), (2575, 19975), (3995, 12875), (4841, 10625), (5875, 8755)]