80277440

素因数分解:

$2^6\times 5^1\times {\mathrm{250867}}^1$

素因数の和:250884

約数の個数: 28

約数和(自身を含む): 191161416

約数和(自身を除く): 110883976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 250867, 501734, 1003468, 1254335, 2006936, 2508670, 4013872, 5017340, 8027744, 10034680, 16055488, 20069360, 40138720, 80277440]

約数ペア:

[(1, 80277440), (2, 40138720), (4, 20069360), (5, 16055488), (8, 10034680), (10, 8027744), (16, 5017340), (20, 4013872), (32, 2508670), (40, 2006936), (64, 1254335), (80, 1003468), (160, 501734), (320, 250867)]