8688640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{1697}}^1$

素因数の和:1722

約数の個数: 44

約数和(自身を含む): 20854836

約数和(自身を除く): 12166196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1697, 2560, 3394, 5120, 6788, 8485, 13576, 16970, 27152, 33940, 54304, 67880, 108608, 135760, 217216, 271520, 434432, 543040, 868864, 1086080, 1737728, 2172160, 4344320, 8688640]

約数ペア:

[(1, 8688640), (2, 4344320), (4, 2172160), (5, 1737728), (8, 1086080), (10, 868864), (16, 543040), (20, 434432), (32, 271520), (40, 217216), (64, 135760), (80, 108608), (128, 67880), (160, 54304), (256, 33940), (320, 27152), (512, 16970), (640, 13576), (1024, 8485), (1280, 6788), (1697, 5120), (2560, 3394)]