40372880

素因数分解:

$2^4\times 5^1\times {\mathrm{504661}}^1$

素因数の和:504674

約数の個数: 20

約数和(自身を含む): 93867132

約数和(自身を除く): 53494252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504661, 1009322, 2018644, 2523305, 4037288, 5046610, 8074576, 10093220, 20186440, 40372880]

約数ペア:

[(1, 40372880), (2, 20186440), (4, 10093220), (5, 8074576), (8, 5046610), (10, 4037288), (16, 2523305), (20, 2018644), (40, 1009322), (80, 504661)]