11556880

素因数分解:

$2^4\times 5^1\times {\mathrm{144461}}^1$

素因数の和:144474

約数の個数: 20

約数和(自身を含む): 26869932

約数和(自身を除く): 15313052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 144461, 288922, 577844, 722305, 1155688, 1444610, 2311376, 2889220, 5778440, 11556880]

約数ペア:

[(1, 11556880), (2, 5778440), (4, 2889220), (5, 2311376), (8, 1444610), (10, 1155688), (16, 722305), (20, 577844), (40, 288922), (80, 144461)]