20129000

素因数分解:

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

素因数の和:20150

約数の個数: 32

約数和(自身を含む): 47104200

約数和(自身を除く): 26975200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20129, 40258, 80516, 100645, 161032, 201290, 402580, 503225, 805160, 1006450, 2012900, 2516125, 4025800, 5032250, 10064500, 20129000]

約数ペア:

[(1, 20129000), (2, 10064500), (4, 5032250), (5, 4025800), (8, 2516125), (10, 2012900), (20, 1006450), (25, 805160), (40, 503225), (50, 402580), (100, 201290), (125, 161032), (200, 100645), (250, 80516), (500, 40258), (1000, 20129)]