11971280

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1155

約数の個数: 40

約数和(自身を含む): 28045824

約数和(自身を除く): 16074544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 991, 1208, 1510, 1982, 2416, 3020, 3964, 4955, 6040, 7928, 9910, 12080, 15856, 19820, 39640, 79280, 149641, 299282, 598564, 748205, 1197128, 1496410, 2394256, 2992820, 5985640, 11971280]

約数ペア:

[(1, 11971280), (2, 5985640), (4, 2992820), (5, 2394256), (8, 1496410), (10, 1197128), (16, 748205), (20, 598564), (40, 299282), (80, 149641), (151, 79280), (302, 39640), (604, 19820), (755, 15856), (991, 12080), (1208, 9910), (1510, 7928), (1982, 6040), (2416, 4955), (3020, 3964)]