12887860

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2099}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 27165600

約数和(自身を除く): 14277740

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 2099, 3070, 4198, 6140, 8396, 10495, 20990, 41980, 644393, 1288786, 2577572, 3221965, 6443930, 12887860]

約数ペア:

[(1, 12887860), (2, 6443930), (4, 3221965), (5, 2577572), (10, 1288786), (20, 644393), (307, 41980), (614, 20990), (1228, 10495), (1535, 8396), (2099, 6140), (3070, 4198)]