2720612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{40009}}^1$

素因数の和:40030

約数の個数: 12

約数和(自身を含む): 5041260

約数和(自身を除く): 2320648

約数列:

[1, 2, 4, 17, 34, 68, 40009, 80018, 160036, 680153, 1360306, 2720612]

約数ペア:

[(1, 2720612), (2, 1360306), (4, 680153), (17, 160036), (34, 80018), (68, 40009)]