40226440

素因数分解:

$2^3\times 5^1\times {\mathrm{1005661}}^1$

素因数の和:1005672

約数の個数: 16

約数和(自身を含む): 90509580

約数和(自身を除く): 50283140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1005661, 2011322, 4022644, 5028305, 8045288, 10056610, 20113220, 40226440]

約数ペア:

[(1, 40226440), (2, 20113220), (4, 10056610), (5, 8045288), (8, 5028305), (10, 4022644), (20, 2011322), (40, 1005661)]