68776880

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8863}}^1$

素因数の和:8973

約数の個数: 40

約数和(自身を含む): 161572992

約数和(自身を除く): 92796112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 8863, 17726, 35452, 44315, 70904, 88630, 141808, 177260, 354520, 709040, 859711, 1719422, 3438844, 4298555, 6877688, 8597110, 13755376, 17194220, 34388440, 68776880]

約数ペア:

[(1, 68776880), (2, 34388440), (4, 17194220), (5, 13755376), (8, 8597110), (10, 6877688), (16, 4298555), (20, 3438844), (40, 1719422), (80, 859711), (97, 709040), (194, 354520), (388, 177260), (485, 141808), (776, 88630), (970, 70904), (1552, 44315), (1940, 35452), (3880, 17726), (7760, 8863)]