80817856

素因数分解:

$2^6\times 7^2\times {\mathrm{25771}}^1$

素因数の和:25797

約数の個数: 42

約数和(自身を含む): 186563508

約数和(自身を除く): 105745652

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 25771, 51542, 103084, 180397, 206168, 360794, 412336, 721588, 824672, 1262779, 1443176, 1649344, 2525558, 2886352, 5051116, 5772704, 10102232, 11545408, 20204464, 40408928, 80817856]

約数ペア:

[(1, 80817856), (2, 40408928), (4, 20204464), (7, 11545408), (8, 10102232), (14, 5772704), (16, 5051116), (28, 2886352), (32, 2525558), (49, 1649344), (56, 1443176), (64, 1262779), (98, 824672), (112, 721588), (196, 412336), (224, 360794), (392, 206168), (448, 180397), (784, 103084), (1568, 51542), (3136, 25771)]