80411972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{1789}}^1$

素因数の和:2471

約数の個数: 24

約数和(自身を含む): 149307480

約数和(自身を除く): 68895508

約数列:

[1, 2, 4, 17, 34, 68, 661, 1322, 1789, 2644, 3578, 7156, 11237, 22474, 30413, 44948, 60826, 121652, 1182529, 2365058, 4730116, 20102993, 40205986, 80411972]

約数ペア:

[(1, 80411972), (2, 40205986), (4, 20102993), (17, 4730116), (34, 2365058), (68, 1182529), (661, 121652), (1322, 60826), (1789, 44948), (2644, 30413), (3578, 22474), (7156, 11237)]