29976880

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3863}}^1$

素因数の和:3973

約数の個数: 40

約数和(自身を含む): 70432992

約数和(自身を除く): 40456112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3863, 3880, 7726, 7760, 15452, 19315, 30904, 38630, 61808, 77260, 154520, 309040, 374711, 749422, 1498844, 1873555, 2997688, 3747110, 5995376, 7494220, 14988440, 29976880]

約数ペア:

[(1, 29976880), (2, 14988440), (4, 7494220), (5, 5995376), (8, 3747110), (10, 2997688), (16, 1873555), (20, 1498844), (40, 749422), (80, 374711), (97, 309040), (194, 154520), (388, 77260), (485, 61808), (776, 38630), (970, 30904), (1552, 19315), (1940, 15452), (3863, 7760), (3880, 7726)]