79979480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{285641}}^1$

素因数の和:285659

約数の個数: 32

約数和(自身を含む): 205662240

約数和(自身を除く): 125682760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 285641, 571282, 1142564, 1428205, 1999487, 2285128, 2856410, 3998974, 5712820, 7997948, 9997435, 11425640, 15995896, 19994870, 39989740, 79979480]

約数ペア:

[(1, 79979480), (2, 39989740), (4, 19994870), (5, 15995896), (7, 11425640), (8, 9997435), (10, 7997948), (14, 5712820), (20, 3998974), (28, 2856410), (35, 2285128), (40, 1999487), (56, 1428205), (70, 1142564), (140, 571282), (280, 285641)]