2737640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 6237000

約数和(自身を除く): 3499360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 769, 890, 1538, 1780, 3076, 3560, 3845, 6152, 7690, 15380, 30760, 68441, 136882, 273764, 342205, 547528, 684410, 1368820, 2737640]

約数ペア:

[(1, 2737640), (2, 1368820), (4, 684410), (5, 547528), (8, 342205), (10, 273764), (20, 136882), (40, 68441), (89, 30760), (178, 15380), (356, 7690), (445, 6152), (712, 3845), (769, 3560), (890, 3076), (1538, 1780)]