89447720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{20899}}^1$

素因数の和:21017

約数の個数: 32

約数和(自身を含む): 203148000

約数和(自身を除く): 113700280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 20899, 41798, 83596, 104495, 167192, 208990, 417980, 835960, 2236193, 4472386, 8944772, 11180965, 17889544, 22361930, 44723860, 89447720]

約数ペア:

[(1, 89447720), (2, 44723860), (4, 22361930), (5, 17889544), (8, 11180965), (10, 8944772), (20, 4472386), (40, 2236193), (107, 835960), (214, 417980), (428, 208990), (535, 167192), (856, 104495), (1070, 83596), (2140, 41798), (4280, 20899)]