1355960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 3088800

約数和(自身を除く): 1732840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 311, 436, 545, 622, 872, 1090, 1244, 1555, 2180, 2488, 3110, 4360, 6220, 12440, 33899, 67798, 135596, 169495, 271192, 338990, 677980, 1355960]

約数ペア:

[(1, 1355960), (2, 677980), (4, 338990), (5, 271192), (8, 169495), (10, 135596), (20, 67798), (40, 33899), (109, 12440), (218, 6220), (311, 4360), (436, 3110), (545, 2488), (622, 2180), (872, 1555), (1090, 1244)]