8906120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4201}}^1$

素因数の和:4265

約数の個数: 32

約数和(自身を含む): 20421720

約数和(自身を除く): 11515600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 4201, 8402, 16804, 21005, 33608, 42010, 84020, 168040, 222653, 445306, 890612, 1113265, 1781224, 2226530, 4453060, 8906120]

約数ペア:

[(1, 8906120), (2, 4453060), (4, 2226530), (5, 1781224), (8, 1113265), (10, 890612), (20, 445306), (40, 222653), (53, 168040), (106, 84020), (212, 42010), (265, 33608), (424, 21005), (530, 16804), (1060, 8402), (2120, 4201)]