13420900

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1303}}^1$

素因数の和:1420

約数の個数: 36

約数和(自身を含む): 29428672

約数和(自身を除く): 16007772

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 1303, 2060, 2575, 2606, 5150, 5212, 6515, 10300, 13030, 26060, 32575, 65150, 130300, 134209, 268418, 536836, 671045, 1342090, 2684180, 3355225, 6710450, 13420900]

約数ペア:

[(1, 13420900), (2, 6710450), (4, 3355225), (5, 2684180), (10, 1342090), (20, 671045), (25, 536836), (50, 268418), (100, 134209), (103, 130300), (206, 65150), (412, 32575), (515, 26060), (1030, 13030), (1303, 10300), (2060, 6515), (2575, 5212), (2606, 5150)]