2245120

素因数分解:

$2^9\times 5^1\times {\mathrm{877}}^1$

素因数の和:900

約数の個数: 40

約数和(自身を含む): 5389164

約数和(自身を除く): 3144044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 877, 1280, 1754, 2560, 3508, 4385, 7016, 8770, 14032, 17540, 28064, 35080, 56128, 70160, 112256, 140320, 224512, 280640, 449024, 561280, 1122560, 2245120]

約数ペア:

[(1, 2245120), (2, 1122560), (4, 561280), (5, 449024), (8, 280640), (10, 224512), (16, 140320), (20, 112256), (32, 70160), (40, 56128), (64, 35080), (80, 28064), (128, 17540), (160, 14032), (256, 8770), (320, 7016), (512, 4385), (640, 3508), (877, 2560), (1280, 1754)]