40419032

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{20129}}^1$

素因数の和:20386

約数の個数: 16

約数和(自身を含む): 76091400

約数和(自身を除く): 35672368

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 20129, 40258, 80516, 161032, 5052379, 10104758, 20209516, 40419032]

約数ペア:

[(1, 40419032), (2, 20209516), (4, 10104758), (8, 5052379), (251, 161032), (502, 80516), (1004, 40258), (2008, 20129)]