2495560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 5686200

約数和(自身を除く): 3190640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 701, 712, 890, 1402, 1780, 2804, 3505, 3560, 5608, 7010, 14020, 28040, 62389, 124778, 249556, 311945, 499112, 623890, 1247780, 2495560]

約数ペア:

[(1, 2495560), (2, 1247780), (4, 623890), (5, 499112), (8, 311945), (10, 249556), (20, 124778), (40, 62389), (89, 28040), (178, 14020), (356, 7010), (445, 5608), (701, 3560), (712, 3505), (890, 2804), (1402, 1780)]