12715640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45413}}^1$

素因数の和:45431

約数の個数: 32

約数和(自身を含む): 32698080

約数和(自身を除く): 19982440

約数列:

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

約数ペア:

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