13420180

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1283}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 28258272

約数和(自身を除く): 14838092

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 1283, 2092, 2566, 2615, 5132, 5230, 6415, 10460, 12830, 25660, 671009, 1342018, 2684036, 3355045, 6710090, 13420180]

約数ペア:

[(1, 13420180), (2, 6710090), (4, 3355045), (5, 2684036), (10, 1342018), (20, 671009), (523, 25660), (1046, 12830), (1283, 10460), (2092, 6415), (2566, 5230), (2615, 5132)]