12501520

素因数分解:

$2^4\times 5^1\times {\mathrm{156269}}^1$

素因数の和:156282

約数の個数: 20

約数和(自身を含む): 29066220

約数和(自身を除く): 16564700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156269, 312538, 625076, 781345, 1250152, 1562690, 2500304, 3125380, 6250760, 12501520]

約数ペア:

[(1, 12501520), (2, 6250760), (4, 3125380), (5, 2500304), (8, 1562690), (10, 1250152), (16, 781345), (20, 625076), (40, 312538), (80, 156269)]