51145525

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{137}}^2$

素因数の和:393

約数の個数: 18

約数和(自身を含む): 64472870

約数和(自身を除く): 13327345

約数列:

[1, 5, 25, 109, 137, 545, 685, 2725, 3425, 14933, 18769, 74665, 93845, 373325, 469225, 2045821, 10229105, 51145525]

約数ペア:

[(1, 51145525), (5, 10229105), (25, 2045821), (109, 469225), (137, 373325), (545, 93845), (685, 74665), (2725, 18769), (3425, 14933)]