217968320

素因数分解:

$2^6\times 5^1\times {\mathrm{681151}}^1$

素因数の和:681168

約数の個数: 28

約数和(自身を含む): 519037824

約数和(自身を除く): 301069504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 681151, 1362302, 2724604, 3405755, 5449208, 6811510, 10898416, 13623020, 21796832, 27246040, 43593664, 54492080, 108984160, 217968320]

約数ペア:

[(1, 217968320), (2, 108984160), (4, 54492080), (5, 43593664), (8, 27246040), (10, 21796832), (16, 13623020), (20, 10898416), (32, 6811510), (40, 5449208), (64, 3405755), (80, 2724604), (160, 1362302), (320, 681151)]