3979600

素因数分解:

$2^4\times 5^2\times {\mathrm{9949}}^1$

素因数の和:9967

約数の個数: 30

約数和(自身を含む): 9561950

約数和(自身を除く): 5582350

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 9949, 19898, 39796, 49745, 79592, 99490, 159184, 198980, 248725, 397960, 497450, 795920, 994900, 1989800, 3979600]

約数ペア:

[(1, 3979600), (2, 1989800), (4, 994900), (5, 795920), (8, 497450), (10, 397960), (16, 248725), (20, 198980), (25, 159184), (40, 99490), (50, 79592), (80, 49745), (100, 39796), (200, 19898), (400, 9949)]