806750020

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{74561}}^1$

素因数の和:75111

約数の個数: 24

約数和(自身を含む): 1697329368

約数和(自身を除く): 890579348

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 74561, 149122, 298244, 372805, 745610, 1491220, 40337501, 80675002, 161350004, 201687505, 403375010, 806750020]

約数ペア:

[(1, 806750020), (2, 403375010), (4, 201687505), (5, 161350004), (10, 80675002), (20, 40337501), (541, 1491220), (1082, 745610), (2164, 372805), (2705, 298244), (5410, 149122), (10820, 74561)]