25431280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45413}}^1$

素因数の和:45433

約数の個数: 40

約数和(自身を含む): 67576032

約数和(自身を除く): 42144752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45413, 90826, 181652, 227065, 317891, 363304, 454130, 635782, 726608, 908260, 1271564, 1589455, 1816520, 2543128, 3178910, 3633040, 5086256, 6357820, 12715640, 25431280]

約数ペア:

[(1, 25431280), (2, 12715640), (4, 6357820), (5, 5086256), (7, 3633040), (8, 3178910), (10, 2543128), (14, 1816520), (16, 1589455), (20, 1271564), (28, 908260), (35, 726608), (40, 635782), (56, 454130), (70, 363304), (80, 317891), (112, 227065), (140, 181652), (280, 90826), (560, 45413)]