2769680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 6528600

約数和(自身を除く): 3758920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 389, 445, 712, 778, 890, 1424, 1556, 1780, 1945, 3112, 3560, 3890, 6224, 7120, 7780, 15560, 31120, 34621, 69242, 138484, 173105, 276968, 346210, 553936, 692420, 1384840, 2769680]

約数ペア:

[(1, 2769680), (2, 1384840), (4, 692420), (5, 553936), (8, 346210), (10, 276968), (16, 173105), (20, 138484), (40, 69242), (80, 34621), (89, 31120), (178, 15560), (356, 7780), (389, 7120), (445, 6224), (712, 3890), (778, 3560), (890, 3112), (1424, 1945), (1556, 1780)]