2938672040

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{380657}}^1$

素因数の和:380861

約数の個数: 32

約数和(自身を含む): 6646288680

約数和(自身を除く): 3707616640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 380657, 761314, 1522628, 1903285, 3045256, 3806570, 7613140, 15226280, 73466801, 146933602, 293867204, 367334005, 587734408, 734668010, 1469336020, 2938672040]

約数ペア:

[(1, 2938672040), (2, 1469336020), (4, 734668010), (5, 587734408), (8, 367334005), (10, 293867204), (20, 146933602), (40, 73466801), (193, 15226280), (386, 7613140), (772, 3806570), (965, 3045256), (1544, 1903285), (1930, 1522628), (3860, 761314), (7720, 380657)]