40391080

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7951}}^1$

素因数の和:8089

約数の個数: 32

約数和(自身を含む): 91607040

約数和(自身を除く): 51215960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 7951, 15902, 31804, 39755, 63608, 79510, 159020, 318040, 1009777, 2019554, 4039108, 5048885, 8078216, 10097770, 20195540, 40391080]

約数ペア:

[(1, 40391080), (2, 20195540), (4, 10097770), (5, 8078216), (8, 5048885), (10, 4039108), (20, 2019554), (40, 1009777), (127, 318040), (254, 159020), (508, 79510), (635, 63608), (1016, 39755), (1270, 31804), (2540, 15902), (5080, 7951)]