51519680

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1377

約数の個数: 56

約数和(自身を含む): 123718320

約数和(自身を除く): 72198640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1229, 1310, 2096, 2458, 2620, 4192, 4916, 5240, 6145, 8384, 9832, 10480, 12290, 19664, 20960, 24580, 39328, 41920, 49160, 78656, 98320, 160999, 196640, 321998, 393280, 643996, 804995, 1287992, 1609990, 2575984, 3219980, 5151968, 6439960, 10303936, 12879920, 25759840, 51519680]

約数ペア:

[(1, 51519680), (2, 25759840), (4, 12879920), (5, 10303936), (8, 6439960), (10, 5151968), (16, 3219980), (20, 2575984), (32, 1609990), (40, 1287992), (64, 804995), (80, 643996), (131, 393280), (160, 321998), (262, 196640), (320, 160999), (524, 98320), (655, 78656), (1048, 49160), (1229, 41920), (1310, 39328), (2096, 24580), (2458, 20960), (2620, 19664), (4192, 12290), (4916, 10480), (5240, 9832), (6145, 8384)]