20009800

素因数分解:

$2^3\times 5^2\times {\mathrm{100049}}^1$

素因数の和:100065

約数の個数: 24

約数和(自身を含む): 46523250

約数和(自身を除く): 26513450

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 100049, 200098, 400196, 500245, 800392, 1000490, 2000980, 2501225, 4001960, 5002450, 10004900, 20009800]

約数ペア:

[(1, 20009800), (2, 10004900), (4, 5002450), (5, 4001960), (8, 2501225), (10, 2000980), (20, 1000490), (25, 800392), (40, 500245), (50, 400196), (100, 200098), (200, 100049)]