7988140

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1301}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 16842672

約数和(自身を除く): 8854532

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1301, 1535, 2602, 3070, 5204, 6140, 6505, 13010, 26020, 399407, 798814, 1597628, 1997035, 3994070, 7988140]

約数ペア:

[(1, 7988140), (2, 3994070), (4, 1997035), (5, 1597628), (10, 798814), (20, 399407), (307, 26020), (614, 13010), (1228, 6505), (1301, 6140), (1535, 5204), (2602, 3070)]