28305875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17419}}^1$

素因数の和:17447

約数の個数: 16

約数和(自身を含む): 38045280

約数和(自身を除く): 9739405

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 17419, 87095, 226447, 435475, 1132235, 2177375, 5661175, 28305875]

約数ペア:

[(1, 28305875), (5, 5661175), (13, 2177375), (25, 1132235), (65, 435475), (125, 226447), (325, 87095), (1625, 17419)]