13404880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8819}}^1$

素因数の和:8851

約数の個数: 40

約数和(自身を含む): 32810400

約数和(自身を除く): 19405520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8819, 17638, 35276, 44095, 70552, 88190, 141104, 167561, 176380, 335122, 352760, 670244, 705520, 837805, 1340488, 1675610, 2680976, 3351220, 6702440, 13404880]

約数ペア:

[(1, 13404880), (2, 6702440), (4, 3351220), (5, 2680976), (8, 1675610), (10, 1340488), (16, 837805), (19, 705520), (20, 670244), (38, 352760), (40, 335122), (76, 176380), (80, 167561), (95, 141104), (152, 88190), (190, 70552), (304, 44095), (380, 35276), (760, 17638), (1520, 8819)]