136944040

素因数分解:

$2^3\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{1987}}^1$

素因数の和:3721

約数の個数: 32

約数和(自身を含む): 308458080

約数和(自身を除く): 171514040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1723, 1987, 3446, 3974, 6892, 7948, 8615, 9935, 13784, 15896, 17230, 19870, 34460, 39740, 68920, 79480, 3423601, 6847202, 13694404, 17118005, 27388808, 34236010, 68472020, 136944040]

約数ペア:

[(1, 136944040), (2, 68472020), (4, 34236010), (5, 27388808), (8, 17118005), (10, 13694404), (20, 6847202), (40, 3423601), (1723, 79480), (1987, 68920), (3446, 39740), (3974, 34460), (6892, 19870), (7948, 17230), (8615, 15896), (9935, 13784)]