2021556520

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{187877}}^1$

素因数の和:188157

約数の個数: 32

約数和(自身を含む): 4565435400

約数和(自身を除く): 2543878880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 187877, 375754, 751508, 939385, 1503016, 1878770, 3757540, 7515080, 50538913, 101077826, 202155652, 252694565, 404311304, 505389130, 1010778260, 2021556520]

約数ペア:

[(1, 2021556520), (2, 1010778260), (4, 505389130), (5, 404311304), (8, 252694565), (10, 202155652), (20, 101077826), (40, 50538913), (269, 7515080), (538, 3757540), (1076, 1878770), (1345, 1503016), (2152, 939385), (2690, 751508), (5380, 375754), (10760, 187877)]