39930040

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{3407}}^1$

素因数の和:3711

約数の個数: 32

約数和(自身を含む): 90175680

約数和(自身を除く): 50245640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 3407, 5860, 6814, 11720, 13628, 17035, 27256, 34070, 68140, 136280, 998251, 1996502, 3993004, 4991255, 7986008, 9982510, 19965020, 39930040]

約数ペア:

[(1, 39930040), (2, 19965020), (4, 9982510), (5, 7986008), (8, 4991255), (10, 3993004), (20, 1996502), (40, 998251), (293, 136280), (586, 68140), (1172, 34070), (1465, 27256), (2344, 17035), (2930, 13628), (3407, 11720), (5860, 6814)]