179621020

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{14011}}^1$

素因数の和:14661

約数の個数: 24

約数和(自身を含む): 377819568

約数和(自身を除く): 198198548

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 14011, 28022, 56044, 70055, 140110, 280220, 8981051, 17962102, 35924204, 44905255, 89810510, 179621020]

約数ペア:

[(1, 179621020), (2, 89810510), (4, 44905255), (5, 35924204), (10, 17962102), (20, 8981051), (641, 280220), (1282, 140110), (2564, 70055), (3205, 56044), (6410, 28022), (12820, 14011)]