80538416

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37847}}^1$

素因数の和:37881

約数の個数: 40

約数和(自身を含む): 187726080

約数和(自身を除く): 107187664

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 37847, 75694, 151388, 264929, 302776, 529858, 605552, 719093, 1059716, 1438186, 2119432, 2876372, 4238864, 5033651, 5752744, 10067302, 11505488, 20134604, 40269208, 80538416]

約数ペア:

[(1, 80538416), (2, 40269208), (4, 20134604), (7, 11505488), (8, 10067302), (14, 5752744), (16, 5033651), (19, 4238864), (28, 2876372), (38, 2119432), (56, 1438186), (76, 1059716), (112, 719093), (133, 605552), (152, 529858), (266, 302776), (304, 264929), (532, 151388), (1064, 75694), (2128, 37847)]