2840020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8353}}^1$

素因数の和:8379

約数の個数: 24

約数和(自身を含む): 6315624

約数和(自身を除く): 3475604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 8353, 16706, 33412, 41765, 83530, 142001, 167060, 284002, 568004, 710005, 1420010, 2840020]

約数ペア:

[(1, 2840020), (2, 1420010), (4, 710005), (5, 568004), (10, 284002), (17, 167060), (20, 142001), (34, 83530), (68, 41765), (85, 33412), (170, 16706), (340, 8353)]