160004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 321048

約数和(自身を除く): 161044

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 181, 221, 362, 442, 724, 884, 2353, 3077, 4706, 6154, 9412, 12308, 40001, 80002, 160004]

約数ペア:

[(1, 160004), (2, 80002), (4, 40001), (13, 12308), (17, 9412), (26, 6154), (34, 4706), (52, 3077), (68, 2353), (181, 884), (221, 724), (362, 442)]