6551920

素因数分解:

$2^4\times 5^1\times {\mathrm{81899}}^1$

素因数の和:81912

約数の個数: 20

約数和(自身を含む): 15233400

約数和(自身を除く): 8681480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 81899, 163798, 327596, 409495, 655192, 818990, 1310384, 1637980, 3275960, 6551920]

約数ペア:

[(1, 6551920), (2, 3275960), (4, 1637980), (5, 1310384), (8, 818990), (10, 655192), (16, 409495), (20, 327596), (40, 163798), (80, 81899)]