11470280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2063}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 26006400

約数和(自身を除く): 14536120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2063, 2780, 4126, 5560, 8252, 10315, 16504, 20630, 41260, 82520, 286757, 573514, 1147028, 1433785, 2294056, 2867570, 5735140, 11470280]

約数ペア:

[(1, 11470280), (2, 5735140), (4, 2867570), (5, 2294056), (8, 1433785), (10, 1147028), (20, 573514), (40, 286757), (139, 82520), (278, 41260), (556, 20630), (695, 16504), (1112, 10315), (1390, 8252), (2063, 5560), (2780, 4126)]