40331440

素因数分解:

$2^4\times 5^1\times {\mathrm{504143}}^1$

素因数の和:504156

約数の個数: 20

約数和(自身を含む): 93770784

約数和(自身を除く): 53439344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504143, 1008286, 2016572, 2520715, 4033144, 5041430, 8066288, 10082860, 20165720, 40331440]

約数ペア:

[(1, 40331440), (2, 20165720), (4, 10082860), (5, 8066288), (8, 5041430), (10, 4033144), (16, 2520715), (20, 2016572), (40, 1008286), (80, 504143)]