8542784020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4229101}}^1$

素因数の和:4229211

約数の個数: 24

約数和(自身を含む): 18117472968

約数和(自身を除く): 9574688948

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4229101, 8458202, 16916404, 21145505, 42291010, 84582020, 427139201, 854278402, 1708556804, 2135696005, 4271392010, 8542784020]

約数ペア:

[(1, 8542784020), (2, 4271392010), (4, 2135696005), (5, 1708556804), (10, 854278402), (20, 427139201), (101, 84582020), (202, 42291010), (404, 21145505), (505, 16916404), (1010, 8458202), (2020, 4229101)]