11556680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6719}}^1$

素因数の和:6773

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 15054520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 6719, 13438, 26876, 33595, 53752, 67190, 134380, 268760, 288917, 577834, 1155668, 1444585, 2311336, 2889170, 5778340, 11556680]

約数ペア:

[(1, 11556680), (2, 5778340), (4, 2889170), (5, 2311336), (8, 1444585), (10, 1155668), (20, 577834), (40, 288917), (43, 268760), (86, 134380), (172, 67190), (215, 53752), (344, 33595), (430, 26876), (860, 13438), (1720, 6719)]