4247680

素因数分解:

$2^7\times 5^1\times {\mathrm{6637}}^1$

素因数の和:6656

約数の個数: 32

約数和(自身を含む): 10156140

約数和(自身を除く): 5908460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 6637, 13274, 26548, 33185, 53096, 66370, 106192, 132740, 212384, 265480, 424768, 530960, 849536, 1061920, 2123840, 4247680]

約数ペア:

[(1, 4247680), (2, 2123840), (4, 1061920), (5, 849536), (8, 530960), (10, 424768), (16, 265480), (20, 212384), (32, 132740), (40, 106192), (64, 66370), (80, 53096), (128, 33185), (160, 26548), (320, 13274), (640, 6637)]