51506125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 71705088

約数和(自身を除く): 20198963

約数列:

[1, 5, 11, 25, 47, 55, 125, 235, 275, 517, 797, 1175, 1375, 2585, 3985, 5875, 8767, 12925, 19925, 37459, 43835, 64625, 99625, 187295, 219175, 412049, 936475, 1095875, 2060245, 4682375, 10301225, 51506125]

約数ペア:

[(1, 51506125), (5, 10301225), (11, 4682375), (25, 2060245), (47, 1095875), (55, 936475), (125, 412049), (235, 219175), (275, 187295), (517, 99625), (797, 64625), (1175, 43835), (1375, 37459), (2585, 19925), (3985, 12925), (5875, 8767)]