2027800

素因数分解:

$2^3\times 5^2\times {\mathrm{10139}}^1$

素因数の和:10155

約数の個数: 24

約数和(自身を含む): 4715100

約数和(自身を除く): 2687300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 10139, 20278, 40556, 50695, 81112, 101390, 202780, 253475, 405560, 506950, 1013900, 2027800]

約数ペア:

[(1, 2027800), (2, 1013900), (4, 506950), (5, 405560), (8, 253475), (10, 202780), (20, 101390), (25, 81112), (40, 50695), (50, 40556), (100, 20278), (200, 10139)]