80639352

素因数分解:

$2^3\times 3^2\times {\mathrm{811}}^1\times {\mathrm{1381}}^1$

素因数の和:2204

約数の個数: 48

約数和(自身を含む): 218825880

約数和(自身を除く): 138186528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 811, 1381, 1622, 2433, 2762, 3244, 4143, 4866, 5524, 6488, 7299, 8286, 9732, 11048, 12429, 14598, 16572, 19464, 24858, 29196, 33144, 49716, 58392, 99432, 1119991, 2239982, 3359973, 4479964, 6719946, 8959928, 10079919, 13439892, 20159838, 26879784, 40319676, 80639352]

約数ペア:

[(1, 80639352), (2, 40319676), (3, 26879784), (4, 20159838), (6, 13439892), (8, 10079919), (9, 8959928), (12, 6719946), (18, 4479964), (24, 3359973), (36, 2239982), (72, 1119991), (811, 99432), (1381, 58392), (1622, 49716), (2433, 33144), (2762, 29196), (3244, 24858), (4143, 19464), (4866, 16572), (5524, 14598), (6488, 12429), (7299, 11048), (8286, 9732)]