40790680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145681}}^1$

素因数の和:145699

約数の個数: 32

約数和(自身を含む): 104891040

約数和(自身を除く): 64100360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145681, 291362, 582724, 728405, 1019767, 1165448, 1456810, 2039534, 2913620, 4079068, 5098835, 5827240, 8158136, 10197670, 20395340, 40790680]

約数ペア:

[(1, 40790680), (2, 20395340), (4, 10197670), (5, 8158136), (7, 5827240), (8, 5098835), (10, 4079068), (14, 2913620), (20, 2039534), (28, 1456810), (35, 1165448), (40, 1019767), (56, 728405), (70, 582724), (140, 291362), (280, 145681)]