80871616

素因数分解:

$2^6\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1977

約数の個数: 56

約数和(自身を含む): 185395616

約数和(自身を除く): 104524000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 194, 224, 388, 448, 679, 776, 1358, 1552, 1861, 2716, 3104, 3722, 5432, 6208, 7444, 10864, 13027, 14888, 21728, 26054, 29776, 43456, 52108, 59552, 104216, 119104, 180517, 208432, 361034, 416864, 722068, 833728, 1263619, 1444136, 2527238, 2888272, 5054476, 5776544, 10108952, 11553088, 20217904, 40435808, 80871616]

約数ペア:

[(1, 80871616), (2, 40435808), (4, 20217904), (7, 11553088), (8, 10108952), (14, 5776544), (16, 5054476), (28, 2888272), (32, 2527238), (56, 1444136), (64, 1263619), (97, 833728), (112, 722068), (194, 416864), (224, 361034), (388, 208432), (448, 180517), (679, 119104), (776, 104216), (1358, 59552), (1552, 52108), (1861, 43456), (2716, 29776), (3104, 26054), (3722, 21728), (5432, 14888), (6208, 13027), (7444, 10864)]