1607221520

素因数分解:

$2^4\times 5^1\times {\mathrm{20090269}}^1$

素因数の和:20090282

約数の個数: 20

約数和(自身を含む): 3736790220

約数和(自身を除く): 2129568700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20090269, 40180538, 80361076, 100451345, 160722152, 200902690, 321444304, 401805380, 803610760, 1607221520]

約数ペア:

[(1, 1607221520), (2, 803610760), (4, 401805380), (5, 321444304), (8, 200902690), (10, 160722152), (16, 100451345), (20, 80361076), (40, 40180538), (80, 20090269)]