201525340

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{25903}}^1$

素因数の和:26301

約数の個数: 24

約数和(自身を含む): 424307520

約数和(自身を除く): 222782180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 25903, 51806, 103612, 129515, 259030, 518060, 10076267, 20152534, 40305068, 50381335, 100762670, 201525340]

約数ペア:

[(1, 201525340), (2, 100762670), (4, 50381335), (5, 40305068), (10, 20152534), (20, 10076267), (389, 518060), (778, 259030), (1556, 129515), (1945, 103612), (3890, 51806), (7780, 25903)]