25980335

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 8545105

約数列:

[1, 5, 17, 53, 73, 79, 85, 265, 365, 395, 901, 1241, 1343, 3869, 4187, 4505, 5767, 6205, 6715, 19345, 20935, 28835, 65773, 71179, 98039, 305651, 328865, 355895, 490195, 1528255, 5196067, 25980335]

約数ペア:

[(1, 25980335), (5, 5196067), (17, 1528255), (53, 490195), (73, 355895), (79, 328865), (85, 305651), (265, 98039), (365, 71179), (395, 65773), (901, 28835), (1241, 20935), (1343, 19345), (3869, 6715), (4187, 6205), (4505, 5767)]