8871920

素因数分解:

$2^4\times 5^1\times {\mathrm{110899}}^1$

素因数の和:110912

約数の個数: 20

約数和(自身を含む): 20627400

約数和(自身を除く): 11755480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 110899, 221798, 443596, 554495, 887192, 1108990, 1774384, 2217980, 4435960, 8871920]

約数ペア:

[(1, 8871920), (2, 4435960), (4, 2217980), (5, 1774384), (8, 1108990), (10, 887192), (16, 554495), (20, 443596), (40, 221798), (80, 110899)]