11988280

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2801}}^1$

素因数の和:2919

約数の個数: 32

約数和(自身を含む): 27235440

約数和(自身を除く): 15247160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 2801, 4280, 5602, 11204, 14005, 22408, 28010, 56020, 112040, 299707, 599414, 1198828, 1498535, 2397656, 2997070, 5994140, 11988280]

約数ペア:

[(1, 11988280), (2, 5994140), (4, 2997070), (5, 2397656), (8, 1498535), (10, 1198828), (20, 599414), (40, 299707), (107, 112040), (214, 56020), (428, 28010), (535, 22408), (856, 14005), (1070, 11204), (2140, 5602), (2801, 4280)]