5781520

素因数分解:

$2^4\times 5^1\times {\mathrm{72269}}^1$

素因数の和:72282

約数の個数: 20

約数和(自身を含む): 13442220

約数和(自身を除く): 7660700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 72269, 144538, 289076, 361345, 578152, 722690, 1156304, 1445380, 2890760, 5781520]

約数ペア:

[(1, 5781520), (2, 2890760), (4, 1445380), (5, 1156304), (8, 722690), (10, 578152), (16, 361345), (20, 289076), (40, 144538), (80, 72269)]