4025800

素因数分解:

$2^3\times 5^2\times {\mathrm{20129}}^1$

素因数の和:20145

約数の個数: 24

約数和(自身を含む): 9360450

約数和(自身を除く): 5334650

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 20129, 40258, 80516, 100645, 161032, 201290, 402580, 503225, 805160, 1006450, 2012900, 4025800]

約数ペア:

[(1, 4025800), (2, 2012900), (4, 1006450), (5, 805160), (8, 503225), (10, 402580), (20, 201290), (25, 161032), (40, 100645), (50, 80516), (100, 40258), (200, 20129)]