128240135

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{1409}}^1$

素因数の和:1690

約数の個数: 16

約数和(自身を含む): 156340800

約数和(自身を除く): 28100665

約数列:

[1, 5, 109, 167, 545, 835, 1409, 7045, 18203, 91015, 153581, 235303, 767905, 1176515, 25648027, 128240135]

約数ペア:

[(1, 128240135), (5, 25648027), (109, 1176515), (167, 767905), (545, 235303), (835, 153581), (1409, 91015), (7045, 18203)]