340071920

素因数分解:

$2^4\times 5^1\times {\mathrm{4250899}}^1$

素因数の和:4250912

約数の個数: 20

約数和(自身を含む): 790667400

約数和(自身を除く): 450595480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4250899, 8501798, 17003596, 21254495, 34007192, 42508990, 68014384, 85017980, 170035960, 340071920]

約数ペア:

[(1, 340071920), (2, 170035960), (4, 85017980), (5, 68014384), (8, 42508990), (10, 34007192), (16, 21254495), (20, 17003596), (40, 8501798), (80, 4250899)]