40286440

素因数分解:

$2^3\times 5^1\times {\mathrm{1007161}}^1$

素因数の和:1007172

約数の個数: 16

約数和(自身を含む): 90644580

約数和(自身を除く): 50358140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1007161, 2014322, 4028644, 5035805, 8057288, 10071610, 20143220, 40286440]

約数ペア:

[(1, 40286440), (2, 20143220), (4, 10071610), (5, 8057288), (8, 5035805), (10, 4028644), (20, 2014322), (40, 1007161)]