209230240

素因数分解:

$2^5\times 5^1\times {\mathrm{1307689}}^1$

素因数の和:1307704

約数の個数: 24

約数和(自身を含む): 494306820

約数和(自身を除く): 285076580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1307689, 2615378, 5230756, 6538445, 10461512, 13076890, 20923024, 26153780, 41846048, 52307560, 104615120, 209230240]

約数ペア:

[(1, 209230240), (2, 104615120), (4, 52307560), (5, 41846048), (8, 26153780), (10, 20923024), (16, 13076890), (20, 10461512), (32, 6538445), (40, 5230756), (80, 2615378), (160, 1307689)]