64806140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{462901}}^1$

素因数の和:462917

約数の個数: 24

約数和(自身を含む): 155535072

約数和(自身を除く): 90728932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 462901, 925802, 1851604, 2314505, 3240307, 4629010, 6480614, 9258020, 12961228, 16201535, 32403070, 64806140]

約数ペア:

[(1, 64806140), (2, 32403070), (4, 16201535), (5, 12961228), (7, 9258020), (10, 6480614), (14, 4629010), (20, 3240307), (28, 2314505), (35, 1851604), (70, 925802), (140, 462901)]