55866220

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{6481}}^1$

素因数の和:6921

約数の個数: 24

約数和(自身を含む): 117609408

約数和(自身を除く): 61743188

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 6481, 8620, 12962, 25924, 32405, 64810, 129620, 2793311, 5586622, 11173244, 13966555, 27933110, 55866220]

約数ペア:

[(1, 55866220), (2, 27933110), (4, 13966555), (5, 11173244), (10, 5586622), (20, 2793311), (431, 129620), (862, 64810), (1724, 32405), (2155, 25924), (4310, 12962), (6481, 8620)]