854016640

素因数分解:

$2^7\times 5^1\times {\mathrm{1334401}}^1$

素因数の和:1334420

約数の個数: 32

約数和(自身を含む): 2041635060

約数和(自身を除く): 1187618420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1334401, 2668802, 5337604, 6672005, 10675208, 13344010, 21350416, 26688020, 42700832, 53376040, 85401664, 106752080, 170803328, 213504160, 427008320, 854016640]

約数ペア:

[(1, 854016640), (2, 427008320), (4, 213504160), (5, 170803328), (8, 106752080), (10, 85401664), (16, 53376040), (20, 42700832), (32, 26688020), (40, 21350416), (64, 13344010), (80, 10675208), (128, 6672005), (160, 5337604), (320, 2668802), (640, 1334401)]