25642900

素因数分解:

$2^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{1721}}^1$

素因数の和:1884

約数の個数: 36

約数和(自身を含む): 56051100

約数和(自身を除く): 30408200

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 298, 596, 745, 1490, 1721, 2980, 3442, 3725, 6884, 7450, 8605, 14900, 17210, 34420, 43025, 86050, 172100, 256429, 512858, 1025716, 1282145, 2564290, 5128580, 6410725, 12821450, 25642900]

約数ペア:

[(1, 25642900), (2, 12821450), (4, 6410725), (5, 5128580), (10, 2564290), (20, 1282145), (25, 1025716), (50, 512858), (100, 256429), (149, 172100), (298, 86050), (596, 43025), (745, 34420), (1490, 17210), (1721, 14900), (2980, 8605), (3442, 7450), (3725, 6884)]