4975488640

素因数分解:

$2^7\times 5^1\times {\mathrm{7774201}}^1$

素因数の和:7774220

約数の個数: 32

約数和(自身を含む): 11894529060

約数和(自身を除く): 6919040420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 7774201, 15548402, 31096804, 38871005, 62193608, 77742010, 124387216, 155484020, 248774432, 310968040, 497548864, 621936080, 995097728, 1243872160, 2487744320, 4975488640]

約数ペア:

[(1, 4975488640), (2, 2487744320), (4, 1243872160), (5, 995097728), (8, 621936080), (10, 497548864), (16, 310968040), (20, 248774432), (32, 155484020), (40, 124387216), (64, 77742010), (80, 62193608), (128, 38871005), (160, 31096804), (320, 15548402), (640, 7774201)]