2789260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1567}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 5927040

約数和(自身を除く): 3137780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1567, 1780, 3134, 6268, 7835, 15670, 31340, 139463, 278926, 557852, 697315, 1394630, 2789260]

約数ペア:

[(1, 2789260), (2, 1394630), (4, 697315), (5, 557852), (10, 278926), (20, 139463), (89, 31340), (178, 15670), (356, 7835), (445, 6268), (890, 3134), (1567, 1780)]