49261820

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{12503}}^1$

素因数の和:12709

約数の個数: 24

約数和(自身を含む): 103983264

約数和(自身を除く): 54721444

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 12503, 25006, 50012, 62515, 125030, 250060, 2463091, 4926182, 9852364, 12315455, 24630910, 49261820]

約数ペア:

[(1, 49261820), (2, 24630910), (4, 12315455), (5, 9852364), (10, 4926182), (20, 2463091), (197, 250060), (394, 125030), (788, 62515), (985, 50012), (1970, 25006), (3940, 12503)]