55691920

素因数分解:

$2^4\times 5^1\times {\mathrm{696149}}^1$

素因数の和:696162

約数の個数: 20

約数和(自身を含む): 129483900

約数和(自身を除く): 73791980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 696149, 1392298, 2784596, 3480745, 5569192, 6961490, 11138384, 13922980, 27845960, 55691920]

約数ペア:

[(1, 55691920), (2, 27845960), (4, 13922980), (5, 11138384), (8, 6961490), (10, 5569192), (16, 3480745), (20, 2784596), (40, 1392298), (80, 696149)]