71320180

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{11393}}^1$

素因数の和:11715

約数の個数: 24

約数和(自身を含む): 150264072

約数和(自身を除く): 78943892

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 11393, 22786, 45572, 56965, 113930, 227860, 3566009, 7132018, 14264036, 17830045, 35660090, 71320180]

約数ペア:

[(1, 71320180), (2, 35660090), (4, 17830045), (5, 14264036), (10, 7132018), (20, 3566009), (313, 227860), (626, 113930), (1252, 56965), (1565, 45572), (3130, 22786), (6260, 11393)]