2019901960

素因数分解:

$2^3\times 5^1\times {\mathrm{50497549}}^1$

素因数の和:50497560

約数の個数: 16

約数和(自身を含む): 4544779500

約数和(自身を除く): 2524877540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50497549, 100995098, 201990196, 252487745, 403980392, 504975490, 1009950980, 2019901960]

約数ペア:

[(1, 2019901960), (2, 1009950980), (4, 504975490), (5, 403980392), (8, 252487745), (10, 201990196), (20, 100995098), (40, 50497549)]