19629520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8461}}^1$

素因数の和:8503

約数の個数: 40

約数和(自身を含む): 47217960

約数和(自身を除く): 27588440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8461, 16922, 33844, 42305, 67688, 84610, 135376, 169220, 245369, 338440, 490738, 676880, 981476, 1226845, 1962952, 2453690, 3925904, 4907380, 9814760, 19629520]

約数ペア:

[(1, 19629520), (2, 9814760), (4, 4907380), (5, 3925904), (8, 2453690), (10, 1962952), (16, 1226845), (20, 981476), (29, 676880), (40, 490738), (58, 338440), (80, 245369), (116, 169220), (145, 135376), (232, 84610), (290, 67688), (464, 42305), (580, 33844), (1160, 16922), (2320, 8461)]