1261160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 2910600

約数和(自身を除く): 1649440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 769, 820, 1538, 1640, 3076, 3845, 6152, 7690, 15380, 30760, 31529, 63058, 126116, 157645, 252232, 315290, 630580, 1261160]

約数ペア:

[(1, 1261160), (2, 630580), (4, 315290), (5, 252232), (8, 157645), (10, 126116), (20, 63058), (40, 31529), (41, 30760), (82, 15380), (164, 7690), (205, 6152), (328, 3845), (410, 3076), (769, 1640), (820, 1538)]