42455375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19979}}^1$

素因数の和:20011

約数の個数: 16

約数和(自身を含む): 56103840

約数和(自身を除く): 13648465

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 19979, 99895, 339643, 499475, 1698215, 2497375, 8491075, 42455375]

約数ペア:

[(1, 42455375), (5, 8491075), (17, 2497375), (25, 1698215), (85, 499475), (125, 339643), (425, 99895), (2125, 19979)]