12496420

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1283}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 26316864

約数和(自身を除く): 13820444

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1283, 1948, 2435, 2566, 4870, 5132, 6415, 9740, 12830, 25660, 624821, 1249642, 2499284, 3124105, 6248210, 12496420]

約数ペア:

[(1, 12496420), (2, 6248210), (4, 3124105), (5, 2499284), (10, 1249642), (20, 624821), (487, 25660), (974, 12830), (1283, 9740), (1948, 6415), (2435, 5132), (2566, 4870)]