16452080

素因数分解:

$2^4\times 5^1\times {\mathrm{205651}}^1$

素因数の和:205664

約数の個数: 20

約数和(自身を含む): 38251272

約数和(自身を除く): 21799192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 205651, 411302, 822604, 1028255, 1645208, 2056510, 3290416, 4113020, 8226040, 16452080]

約数ペア:

[(1, 16452080), (2, 8226040), (4, 4113020), (5, 3290416), (8, 2056510), (10, 1645208), (16, 1028255), (20, 822604), (40, 411302), (80, 205651)]