90559640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{27277}}^1$

素因数の和:27371

約数の個数: 32

約数和(自身を含む): 206221680

約数和(自身を除く): 115662040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 27277, 54554, 109108, 136385, 218216, 272770, 545540, 1091080, 2263991, 4527982, 9055964, 11319955, 18111928, 22639910, 45279820, 90559640]

約数ペア:

[(1, 90559640), (2, 45279820), (4, 22639910), (5, 18111928), (8, 11319955), (10, 9055964), (20, 4527982), (40, 2263991), (83, 1091080), (166, 545540), (332, 272770), (415, 218216), (664, 136385), (830, 109108), (1660, 54554), (3320, 27277)]