55539560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15601}}^1$

素因数の和:15701

約数の個数: 32

約数和(自身を含む): 126376200

約数和(自身を除く): 70836640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15601, 31202, 62404, 78005, 124808, 156010, 312020, 624040, 1388489, 2776978, 5553956, 6942445, 11107912, 13884890, 27769780, 55539560]

約数ペア:

[(1, 55539560), (2, 27769780), (4, 13884890), (5, 11107912), (8, 6942445), (10, 5553956), (20, 2776978), (40, 1388489), (89, 624040), (178, 312020), (356, 156010), (445, 124808), (712, 78005), (890, 62404), (1780, 31202), (3560, 15601)]