55219940

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{4177}}^1$

素因数の和:4847

約数の個数: 24

約数和(自身を含む): 116165112

約数和(自身を除く): 60945172

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 4177, 6610, 8354, 13220, 16708, 20885, 41770, 83540, 2760997, 5521994, 11043988, 13804985, 27609970, 55219940]

約数ペア:

[(1, 55219940), (2, 27609970), (4, 13804985), (5, 11043988), (10, 5521994), (20, 2760997), (661, 83540), (1322, 41770), (2644, 20885), (3305, 16708), (4177, 13220), (6610, 8354)]