42688640

素因数分解:

$2^7\times 5^1\times {\mathrm{66701}}^1$

素因数の和:66720

約数の個数: 32

約数和(自身を含む): 102054060

約数和(自身を除く): 59365420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 66701, 133402, 266804, 333505, 533608, 667010, 1067216, 1334020, 2134432, 2668040, 4268864, 5336080, 8537728, 10672160, 21344320, 42688640]

約数ペア:

[(1, 42688640), (2, 21344320), (4, 10672160), (5, 8537728), (8, 5336080), (10, 4268864), (16, 2668040), (20, 2134432), (32, 1334020), (40, 1067216), (64, 667010), (80, 533608), (128, 333505), (160, 266804), (320, 133402), (640, 66701)]