8431120

素因数分解:

$2^4\times 5^1\times {\mathrm{105389}}^1$

素因数の和:105402

約数の個数: 20

約数和(自身を含む): 19602540

約数和(自身を除く): 11171420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105389, 210778, 421556, 526945, 843112, 1053890, 1686224, 2107780, 4215560, 8431120]

約数ペア:

[(1, 8431120), (2, 4215560), (4, 2107780), (5, 1686224), (8, 1053890), (10, 843112), (16, 526945), (20, 421556), (40, 210778), (80, 105389)]