11491760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{20521}}^1$

素因数の和:20541

約数の個数: 40

約数和(自身を含む): 30536736

約数和(自身を除く): 19044976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 20521, 41042, 82084, 102605, 143647, 164168, 205210, 287294, 328336, 410420, 574588, 718235, 820840, 1149176, 1436470, 1641680, 2298352, 2872940, 5745880, 11491760]

約数ペア:

[(1, 11491760), (2, 5745880), (4, 2872940), (5, 2298352), (7, 1641680), (8, 1436470), (10, 1149176), (14, 820840), (16, 718235), (20, 574588), (28, 410420), (35, 328336), (40, 287294), (56, 205210), (70, 164168), (80, 143647), (112, 102605), (140, 82084), (280, 41042), (560, 20521)]