6806440

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{647}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 15396480

約数和(自身を除く): 8590040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 647, 1052, 1294, 1315, 2104, 2588, 2630, 3235, 5176, 5260, 6470, 10520, 12940, 25880, 170161, 340322, 680644, 850805, 1361288, 1701610, 3403220, 6806440]

約数ペア:

[(1, 6806440), (2, 3403220), (4, 1701610), (5, 1361288), (8, 850805), (10, 680644), (20, 340322), (40, 170161), (263, 25880), (526, 12940), (647, 10520), (1052, 6470), (1294, 5260), (1315, 5176), (2104, 3235), (2588, 2630)]