11712440

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{839}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 26460000

約数和(自身を除く): 14747560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 839, 1396, 1678, 1745, 2792, 3356, 3490, 4195, 6712, 6980, 8390, 13960, 16780, 33560, 292811, 585622, 1171244, 1464055, 2342488, 2928110, 5856220, 11712440]

約数ペア:

[(1, 11712440), (2, 5856220), (4, 2928110), (5, 2342488), (8, 1464055), (10, 1171244), (20, 585622), (40, 292811), (349, 33560), (698, 16780), (839, 13960), (1396, 8390), (1678, 6980), (1745, 6712), (2792, 4195), (3356, 3490)]