8111920

素因数分解:

$2^4\times 5^1\times {\mathrm{101399}}^1$

素因数の和:101412

約数の個数: 20

約数和(自身を含む): 18860400

約数和(自身を除く): 10748480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101399, 202798, 405596, 506995, 811192, 1013990, 1622384, 2027980, 4055960, 8111920]

約数ペア:

[(1, 8111920), (2, 4055960), (4, 2027980), (5, 1622384), (8, 1013990), (10, 811192), (16, 506995), (20, 405596), (40, 202798), (80, 101399)]