10991540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{78511}}^1$

素因数の和:78527

約数の個数: 24

約数和(自身を含む): 26380032

約数和(自身を除く): 15388492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 78511, 157022, 314044, 392555, 549577, 785110, 1099154, 1570220, 2198308, 2747885, 5495770, 10991540]

約数ペア:

[(1, 10991540), (2, 5495770), (4, 2747885), (5, 2198308), (7, 1570220), (10, 1099154), (14, 785110), (20, 549577), (28, 392555), (35, 314044), (70, 157022), (140, 78511)]