11114440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2149

約数の個数: 32

約数和(自身を含む): 25200000

約数和(自身を除く): 14085560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1999, 2780, 3998, 5560, 7996, 9995, 15992, 19990, 39980, 79960, 277861, 555722, 1111444, 1389305, 2222888, 2778610, 5557220, 11114440]

約数ペア:

[(1, 11114440), (2, 5557220), (4, 2778610), (5, 2222888), (8, 1389305), (10, 1111444), (20, 555722), (40, 277861), (139, 79960), (278, 39980), (556, 19990), (695, 15992), (1112, 9995), (1390, 7996), (1999, 5560), (2780, 3998)]