25788125

素因数分解:

$5^4\times {\mathrm{11}}^3\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 40

約数和(自身を含む): 36588288

約数和(自身を除く): 10800163

約数列:

[1, 5, 11, 25, 31, 55, 121, 125, 155, 275, 341, 605, 625, 775, 1331, 1375, 1705, 3025, 3751, 3875, 6655, 6875, 8525, 15125, 18755, 19375, 33275, 41261, 42625, 75625, 93775, 166375, 206305, 213125, 468875, 831875, 1031525, 2344375, 5157625, 25788125]

約数ペア:

[(1, 25788125), (5, 5157625), (11, 2344375), (25, 1031525), (31, 831875), (55, 468875), (121, 213125), (125, 206305), (155, 166375), (275, 93775), (341, 75625), (605, 42625), (625, 41261), (775, 33275), (1331, 19375), (1375, 18755), (1705, 15125), (3025, 8525), (3751, 6875), (3875, 6655)]