28702375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1039}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 40884480

約数和(自身を除く): 12182105

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 1039, 1105, 1625, 2125, 5195, 5525, 13507, 17663, 25975, 27625, 67535, 88315, 129875, 229619, 337675, 441575, 1148095, 1688375, 2207875, 5740475, 28702375]

約数ペア:

[(1, 28702375), (5, 5740475), (13, 2207875), (17, 1688375), (25, 1148095), (65, 441575), (85, 337675), (125, 229619), (221, 129875), (325, 88315), (425, 67535), (1039, 27625), (1105, 25975), (1625, 17663), (2125, 13507), (5195, 5525)]