39980275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1153}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 52945520

約数和(自身を除く): 12965245

約数列:

[1, 5, 19, 25, 73, 95, 365, 475, 1153, 1387, 1825, 5765, 6935, 21907, 28825, 34675, 84169, 109535, 420845, 547675, 1599211, 2104225, 7996055, 39980275]

約数ペア:

[(1, 39980275), (5, 7996055), (19, 2104225), (25, 1599211), (73, 547675), (95, 420845), (365, 109535), (475, 84169), (1153, 34675), (1387, 28825), (1825, 21907), (5765, 6935)]