40455440

素因数分解:

$2^4\times 5^1\times {\mathrm{505693}}^1$

素因数の和:505706

約数の個数: 20

約数和(自身を含む): 94059084

約数和(自身を除く): 53603644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505693, 1011386, 2022772, 2528465, 4045544, 5056930, 8091088, 10113860, 20227720, 40455440]

約数ペア:

[(1, 40455440), (2, 20227720), (4, 10113860), (5, 8091088), (8, 5056930), (10, 4045544), (16, 2528465), (20, 2022772), (40, 1011386), (80, 505693)]