7728860

素因数分解:

$2^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{643}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 16282896

約数和(自身を除く): 8554036

約数列:

[1, 2, 4, 5, 10, 20, 601, 643, 1202, 1286, 2404, 2572, 3005, 3215, 6010, 6430, 12020, 12860, 386443, 772886, 1545772, 1932215, 3864430, 7728860]

約数ペア:

[(1, 7728860), (2, 3864430), (4, 1932215), (5, 1545772), (10, 772886), (20, 386443), (601, 12860), (643, 12020), (1202, 6430), (1286, 6010), (2404, 3215), (2572, 3005)]