20161814120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72006479}}^1$

素因数の和:72006497

約数の個数: 32

約数和(自身を含む): 51844665600

約数和(自身を除く): 31682851480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72006479, 144012958, 288025916, 360032395, 504045353, 576051832, 720064790, 1008090706, 1440129580, 2016181412, 2520226765, 2880259160, 4032362824, 5040453530, 10080907060, 20161814120]

約数ペア:

[(1, 20161814120), (2, 10080907060), (4, 5040453530), (5, 4032362824), (7, 2880259160), (8, 2520226765), (10, 2016181412), (14, 1440129580), (20, 1008090706), (28, 720064790), (35, 576051832), (40, 504045353), (56, 360032395), (70, 288025916), (140, 144012958), (280, 72006479)]