4080500

素因数分解:

$2^2\times 5^3\times {\mathrm{8161}}^1$

素因数の和:8180

約数の個数: 24

約数和(自身を含む): 8912904

約数和(自身を除く): 4832404

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 8161, 16322, 32644, 40805, 81610, 163220, 204025, 408050, 816100, 1020125, 2040250, 4080500]

約数ペア:

[(1, 4080500), (2, 2040250), (4, 1020125), (5, 816100), (10, 408050), (20, 204025), (25, 163220), (50, 81610), (100, 40805), (125, 32644), (250, 16322), (500, 8161)]