80545120

素因数分解:

$2^5\times 5^1\times {\mathrm{503407}}^1$

素因数の和:503422

約数の個数: 24

約数和(自身を含む): 190288224

約数和(自身を除く): 109743104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 503407, 1006814, 2013628, 2517035, 4027256, 5034070, 8054512, 10068140, 16109024, 20136280, 40272560, 80545120]

約数ペア:

[(1, 80545120), (2, 40272560), (4, 20136280), (5, 16109024), (8, 10068140), (10, 8054512), (16, 5034070), (20, 4027256), (32, 2517035), (40, 2013628), (80, 1006814), (160, 503407)]