25759840

素因数分解:

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

素因数の和:1375

約数の個数: 48

約数和(自身を含む): 61372080

約数和(自身を除く): 35612240

約数列:

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

約数ペア:

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