40206945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 68705280

約数和(自身を除く): 28498335

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 1987, 4047, 5961, 6745, 9935, 20235, 29805, 37753, 113259, 141077, 188765, 423231, 566295, 705385, 2116155, 2680463, 8041389, 13402315, 40206945]

約数ペア:

[(1, 40206945), (3, 13402315), (5, 8041389), (15, 2680463), (19, 2116155), (57, 705385), (71, 566295), (95, 423231), (213, 188765), (285, 141077), (355, 113259), (1065, 37753), (1349, 29805), (1987, 20235), (4047, 9935), (5961, 6745)]