72409895

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{839}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 89328960

約数和(自身を除く): 16919065

約数列:

[1, 5, 41, 205, 421, 839, 2105, 4195, 17261, 34399, 86305, 171995, 353219, 1766095, 14481979, 72409895]

約数ペア:

[(1, 72409895), (5, 14481979), (41, 1766095), (205, 353219), (421, 171995), (839, 86305), (2105, 34399), (4195, 17261)]