49401280

素因数分解:

$2^6\times 5^1\times {\mathrm{317}}^1\times {\mathrm{487}}^1$

素因数の和:821

約数の個数: 56

約数和(自身を含む): 118250208

約数和(自身を除く): 68848928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 317, 320, 487, 634, 974, 1268, 1585, 1948, 2435, 2536, 3170, 3896, 4870, 5072, 6340, 7792, 9740, 10144, 12680, 15584, 19480, 20288, 25360, 31168, 38960, 50720, 77920, 101440, 154379, 155840, 308758, 617516, 771895, 1235032, 1543790, 2470064, 3087580, 4940128, 6175160, 9880256, 12350320, 24700640, 49401280]

約数ペア:

[(1, 49401280), (2, 24700640), (4, 12350320), (5, 9880256), (8, 6175160), (10, 4940128), (16, 3087580), (20, 2470064), (32, 1543790), (40, 1235032), (64, 771895), (80, 617516), (160, 308758), (317, 155840), (320, 154379), (487, 101440), (634, 77920), (974, 50720), (1268, 38960), (1585, 31168), (1948, 25360), (2435, 20288), (2536, 19480), (3170, 15584), (3896, 12680), (4870, 10144), (5072, 9740), (6340, 7792)]