11996840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2803}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 27254880

約数和(自身を除く): 15258040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 2803, 4280, 5606, 11212, 14015, 22424, 28030, 56060, 112120, 299921, 599842, 1199684, 1499605, 2399368, 2999210, 5998420, 11996840]

約数ペア:

[(1, 11996840), (2, 5998420), (4, 2999210), (5, 2399368), (8, 1499605), (10, 1199684), (20, 599842), (40, 299921), (107, 112120), (214, 56060), (428, 28030), (535, 22424), (856, 14015), (1070, 11212), (2140, 5606), (2803, 4280)]