2139560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 4876200

約数和(自身を除く): 2736640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 601, 712, 890, 1202, 1780, 2404, 3005, 3560, 4808, 6010, 12020, 24040, 53489, 106978, 213956, 267445, 427912, 534890, 1069780, 2139560]

約数ペア:

[(1, 2139560), (2, 1069780), (4, 534890), (5, 427912), (8, 267445), (10, 213956), (20, 106978), (40, 53489), (89, 24040), (178, 12020), (356, 6010), (445, 4808), (601, 3560), (712, 3005), (890, 2404), (1202, 1780)]