208575340

素因数分解:

$2^2\times 5^1\times {\mathrm{1783}}^1\times {\mathrm{5849}}^1$

素因数の和:7641

約数の個数: 24

約数和(自身を含む): 438328800

約数和(自身を除く): 229753460

約数列:

[1, 2, 4, 5, 10, 20, 1783, 3566, 5849, 7132, 8915, 11698, 17830, 23396, 29245, 35660, 58490, 116980, 10428767, 20857534, 41715068, 52143835, 104287670, 208575340]

約数ペア:

[(1, 208575340), (2, 104287670), (4, 52143835), (5, 41715068), (10, 20857534), (20, 10428767), (1783, 116980), (3566, 58490), (5849, 35660), (7132, 29245), (8915, 23396), (11698, 17830)]