28035125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 9704395

約数列:

[1, 5, 17, 25, 79, 85, 125, 167, 395, 425, 835, 1343, 1975, 2125, 2839, 4175, 6715, 9875, 13193, 14195, 20875, 33575, 65965, 70975, 167875, 224281, 329825, 354875, 1121405, 1649125, 5607025, 28035125]

約数ペア:

[(1, 28035125), (5, 5607025), (17, 1649125), (25, 1121405), (79, 354875), (85, 329825), (125, 224281), (167, 167875), (395, 70975), (425, 65965), (835, 33575), (1343, 20875), (1975, 14195), (2125, 13193), (2839, 9875), (4175, 6715)]