80104760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105401}}^1$

素因数の和:105431

約数の個数: 32

約数和(自身を含む): 189723600

約数和(自身を除く): 109618840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 105401, 210802, 421604, 527005, 843208, 1054010, 2002619, 2108020, 4005238, 4216040, 8010476, 10013095, 16020952, 20026190, 40052380, 80104760]

約数ペア:

[(1, 80104760), (2, 40052380), (4, 20026190), (5, 16020952), (8, 10013095), (10, 8010476), (19, 4216040), (20, 4005238), (38, 2108020), (40, 2002619), (76, 1054010), (95, 843208), (152, 527005), (190, 421604), (380, 210802), (760, 105401)]