42965375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{20219}}^1$

素因数の和:20251

約数の個数: 16

約数和(自身を含む): 56777760

約数和(自身を除く): 13812385

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 20219, 101095, 343723, 505475, 1718615, 2527375, 8593075, 42965375]

約数ペア:

[(1, 42965375), (5, 8593075), (17, 2527375), (25, 1718615), (85, 505475), (125, 343723), (425, 101095), (2125, 20219)]