52758125

素因数分解:

$5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 77975040

約数和(自身を除く): 25216915

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 389, 625, 775, 875, 1085, 1945, 2723, 3875, 4375, 5425, 9725, 12059, 13615, 19375, 27125, 48625, 60295, 68075, 84413, 135625, 243125, 301475, 340375, 422065, 1507375, 1701875, 2110325, 7536875, 10551625, 52758125]

約数ペア:

[(1, 52758125), (5, 10551625), (7, 7536875), (25, 2110325), (31, 1701875), (35, 1507375), (125, 422065), (155, 340375), (175, 301475), (217, 243125), (389, 135625), (625, 84413), (775, 68075), (875, 60295), (1085, 48625), (1945, 27125), (2723, 19375), (3875, 13615), (4375, 12059), (5425, 9725)]