24992980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 55944000

約数和(自身を除く): 30951020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 739, 890, 1478, 1691, 1780, 2956, 3382, 3695, 6764, 7390, 8455, 14041, 14780, 16910, 28082, 33820, 56164, 65771, 70205, 131542, 140410, 263084, 280820, 328855, 657710, 1249649, 1315420, 2499298, 4998596, 6248245, 12496490, 24992980]

約数ペア:

[(1, 24992980), (2, 12496490), (4, 6248245), (5, 4998596), (10, 2499298), (19, 1315420), (20, 1249649), (38, 657710), (76, 328855), (89, 280820), (95, 263084), (178, 140410), (190, 131542), (356, 70205), (380, 65771), (445, 56164), (739, 33820), (890, 28082), (1478, 16910), (1691, 14780), (1780, 14041), (2956, 8455), (3382, 7390), (3695, 6764)]