3180400

素因数分解:

$2^4\times 5^2\times {\mathrm{7951}}^1$

素因数の和:7969

約数の個数: 30

約数和(自身を含む): 7641872

約数和(自身を除く): 4461472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 7951, 15902, 31804, 39755, 63608, 79510, 127216, 159020, 198775, 318040, 397550, 636080, 795100, 1590200, 3180400]

約数ペア:

[(1, 3180400), (2, 1590200), (4, 795100), (5, 636080), (8, 397550), (10, 318040), (16, 198775), (20, 159020), (25, 127216), (40, 79510), (50, 63608), (80, 39755), (100, 31804), (200, 15902), (400, 7951)]