40258000

素因数分解:

$2^4\times 5^3\times {\mathrm{20129}}^1$

素因数の和:20152

約数の個数: 40

約数和(自身を含む): 97348680

約数和(自身を除く): 57090680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 20129, 40258, 80516, 100645, 161032, 201290, 322064, 402580, 503225, 805160, 1006450, 1610320, 2012900, 2516125, 4025800, 5032250, 8051600, 10064500, 20129000, 40258000]

約数ペア:

[(1, 40258000), (2, 20129000), (4, 10064500), (5, 8051600), (8, 5032250), (10, 4025800), (16, 2516125), (20, 2012900), (25, 1610320), (40, 1006450), (50, 805160), (80, 503225), (100, 402580), (125, 322064), (200, 201290), (250, 161032), (400, 100645), (500, 80516), (1000, 40258), (2000, 20129)]