80872160

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1879}}^1$

素因数の和:2163

約数の個数: 48

約数和(自身を含む): 191872800

約数和(自身を除く): 111000640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 1879, 2152, 2690, 3758, 4304, 5380, 7516, 8608, 9395, 10760, 15032, 18790, 21520, 30064, 37580, 43040, 60128, 75160, 150320, 300640, 505451, 1010902, 2021804, 2527255, 4043608, 5054510, 8087216, 10109020, 16174432, 20218040, 40436080, 80872160]

約数ペア:

[(1, 80872160), (2, 40436080), (4, 20218040), (5, 16174432), (8, 10109020), (10, 8087216), (16, 5054510), (20, 4043608), (32, 2527255), (40, 2021804), (80, 1010902), (160, 505451), (269, 300640), (538, 150320), (1076, 75160), (1345, 60128), (1879, 43040), (2152, 37580), (2690, 30064), (3758, 21520), (4304, 18790), (5380, 15032), (7516, 10760), (8608, 9395)]