140478040

素因数分解:

$2^3\times 5^1\times {\mathrm{3511951}}^1$

素因数の和:3511962

約数の個数: 16

約数和(自身を含む): 316075680

約数和(自身を除く): 175597640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3511951, 7023902, 14047804, 17559755, 28095608, 35119510, 70239020, 140478040]

約数ペア:

[(1, 140478040), (2, 70239020), (4, 35119510), (5, 28095608), (8, 17559755), (10, 14047804), (20, 7023902), (40, 3511951)]