80127776

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:597

約数の個数: 48

約数和(自身を含む): 163046520

約数和(自身を除く): 82918744

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 157, 164, 314, 328, 389, 628, 656, 778, 1256, 1312, 1556, 2512, 3112, 5024, 6224, 6437, 12448, 12874, 15949, 25748, 31898, 51496, 61073, 63796, 102992, 122146, 127592, 205984, 244292, 255184, 488584, 510368, 977168, 1954336, 2503993, 5007986, 10015972, 20031944, 40063888, 80127776]

約数ペア:

[(1, 80127776), (2, 40063888), (4, 20031944), (8, 10015972), (16, 5007986), (32, 2503993), (41, 1954336), (82, 977168), (157, 510368), (164, 488584), (314, 255184), (328, 244292), (389, 205984), (628, 127592), (656, 122146), (778, 102992), (1256, 63796), (1312, 61073), (1556, 51496), (2512, 31898), (3112, 25748), (5024, 15949), (6224, 12874), (6437, 12448)]