80890840

素因数分解:

$2^3\times 5^1\times {\mathrm{2022271}}^1$

素因数の和:2022282

約数の個数: 16

約数和(自身を含む): 182004480

約数和(自身を除く): 101113640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2022271, 4044542, 8089084, 10111355, 16178168, 20222710, 40445420, 80890840]

約数ペア:

[(1, 80890840), (2, 40445420), (4, 20222710), (5, 16178168), (8, 10111355), (10, 8089084), (20, 4044542), (40, 2022271)]