997798820

素因数分解:

$2^2\times 5^1\times {\mathrm{5783}}^1\times {\mathrm{8627}}^1$

素因数の和:14419

約数の個数: 24

約数和(自身を含む): 2095982784

約数和(自身を除く): 1098183964

約数列:

[1, 2, 4, 5, 10, 20, 5783, 8627, 11566, 17254, 23132, 28915, 34508, 43135, 57830, 86270, 115660, 172540, 49889941, 99779882, 199559764, 249449705, 498899410, 997798820]

約数ペア:

[(1, 997798820), (2, 498899410), (4, 249449705), (5, 199559764), (10, 99779882), (20, 49889941), (5783, 172540), (8627, 115660), (11566, 86270), (17254, 57830), (23132, 43135), (28915, 34508)]