40720985

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 49859712

約数和(自身を除く): 9138727

約数列:

[1, 5, 71, 251, 355, 457, 1255, 2285, 17821, 32447, 89105, 114707, 162235, 573535, 8144197, 40720985]

約数ペア:

[(1, 40720985), (5, 8144197), (71, 573535), (251, 162235), (355, 114707), (457, 89105), (1255, 32447), (2285, 17821)]