55541680

素因数分解:

$2^4\times 5^1\times {\mathrm{694271}}^1$

素因数の和:694284

約数の個数: 20

約数和(自身を含む): 129134592

約数和(自身を除く): 73592912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 694271, 1388542, 2777084, 3471355, 5554168, 6942710, 11108336, 13885420, 27770840, 55541680]

約数ペア:

[(1, 55541680), (2, 27770840), (4, 13885420), (5, 11108336), (8, 6942710), (10, 5554168), (16, 3471355), (20, 2777084), (40, 1388542), (80, 694271)]