42531875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{4003}}^1$

素因数の和:4040

約数の個数: 20

約数和(自身を含む): 56288232

約数和(自身を除く): 13756357

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 4003, 10625, 20015, 68051, 100075, 340255, 500375, 1701275, 2501875, 8506375, 42531875]

約数ペア:

[(1, 42531875), (5, 8506375), (17, 2501875), (25, 1701275), (85, 500375), (125, 340255), (425, 100075), (625, 68051), (2125, 20015), (4003, 10625)]