80255680

素因数分解:

$2^6\times 5^1\times {\mathrm{250799}}^1$

素因数の和:250816

約数の個数: 28

約数和(自身を含む): 191109600

約数和(自身を除く): 110853920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 250799, 501598, 1003196, 1253995, 2006392, 2507990, 4012784, 5015980, 8025568, 10031960, 16051136, 20063920, 40127840, 80255680]

約数ペア:

[(1, 80255680), (2, 40127840), (4, 20063920), (5, 16051136), (8, 10031960), (10, 8025568), (16, 5015980), (20, 4012784), (32, 2507990), (40, 2006392), (64, 1253995), (80, 1003196), (160, 501598), (320, 250799)]