30705520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20201}}^1$

素因数の和:20233

約数の個数: 40

約数和(自身を含む): 75151440

約数和(自身を除く): 44445920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20201, 40402, 80804, 101005, 161608, 202010, 323216, 383819, 404020, 767638, 808040, 1535276, 1616080, 1919095, 3070552, 3838190, 6141104, 7676380, 15352760, 30705520]

約数ペア:

[(1, 30705520), (2, 15352760), (4, 7676380), (5, 6141104), (8, 3838190), (10, 3070552), (16, 1919095), (19, 1616080), (20, 1535276), (38, 808040), (40, 767638), (76, 404020), (80, 383819), (95, 323216), (152, 202010), (190, 161608), (304, 101005), (380, 80804), (760, 40402), (1520, 20201)]