208022480

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{9887}}^1$

素因数の和:10163

約数の個数: 40

約数和(自身を含む): 485540352

約数和(自身を除く): 277517872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 9887, 10520, 19774, 21040, 39548, 49435, 79096, 98870, 158192, 197740, 395480, 790960, 2600281, 5200562, 10401124, 13001405, 20802248, 26002810, 41604496, 52005620, 104011240, 208022480]

約数ペア:

[(1, 208022480), (2, 104011240), (4, 52005620), (5, 41604496), (8, 26002810), (10, 20802248), (16, 13001405), (20, 10401124), (40, 5200562), (80, 2600281), (263, 790960), (526, 395480), (1052, 197740), (1315, 158192), (2104, 98870), (2630, 79096), (4208, 49435), (5260, 39548), (9887, 21040), (10520, 19774)]