11551480

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{911}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 26101440

約数和(自身を除く): 14549960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 911, 1268, 1585, 1822, 2536, 3170, 3644, 4555, 6340, 7288, 9110, 12680, 18220, 36440, 288787, 577574, 1155148, 1443935, 2310296, 2887870, 5775740, 11551480]

約数ペア:

[(1, 11551480), (2, 5775740), (4, 2887870), (5, 2310296), (8, 1443935), (10, 1155148), (20, 577574), (40, 288787), (317, 36440), (634, 18220), (911, 12680), (1268, 9110), (1585, 7288), (1822, 6340), (2536, 4555), (3170, 3644)]