8705680

素因数分解:

$2^4\times 5^1\times {\mathrm{108821}}^1$

素因数の和:108834

約数の個数: 20

約数和(自身を含む): 20240892

約数和(自身を除く): 11535212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 108821, 217642, 435284, 544105, 870568, 1088210, 1741136, 2176420, 4352840, 8705680]

約数ペア:

[(1, 8705680), (2, 4352840), (4, 2176420), (5, 1741136), (8, 1088210), (10, 870568), (16, 544105), (20, 435284), (40, 217642), (80, 108821)]