13557640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17839}}^1$

素因数の和:17869

約数の個数: 32

約数和(自身を含む): 32112000

約数和(自身を除く): 18554360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 17839, 35678, 71356, 89195, 142712, 178390, 338941, 356780, 677882, 713560, 1355764, 1694705, 2711528, 3389410, 6778820, 13557640]

約数ペア:

[(1, 13557640), (2, 6778820), (4, 3389410), (5, 2711528), (8, 1694705), (10, 1355764), (19, 713560), (20, 677882), (38, 356780), (40, 338941), (76, 178390), (95, 142712), (152, 89195), (190, 71356), (380, 35678), (760, 17839)]