11717480

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{641}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 26463240

約数和(自身を除く): 14745760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 641, 914, 1282, 1828, 2285, 2564, 3205, 3656, 4570, 5128, 6410, 9140, 12820, 18280, 25640, 292937, 585874, 1171748, 1464685, 2343496, 2929370, 5858740, 11717480]

約数ペア:

[(1, 11717480), (2, 5858740), (4, 2929370), (5, 2343496), (8, 1464685), (10, 1171748), (20, 585874), (40, 292937), (457, 25640), (641, 18280), (914, 12820), (1282, 9140), (1828, 6410), (2285, 5128), (2564, 4570), (3205, 3656)]