51626875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 70514928

約数和(自身を除く): 18888053

約数列:

[1, 5, 17, 25, 43, 85, 113, 125, 215, 425, 565, 625, 731, 1075, 1921, 2125, 2825, 3655, 4859, 5375, 9605, 10625, 14125, 18275, 24295, 26875, 48025, 70625, 82603, 91375, 121475, 240125, 413015, 456875, 607375, 1200625, 2065075, 3036875, 10325375, 51626875]

約数ペア:

[(1, 51626875), (5, 10325375), (17, 3036875), (25, 2065075), (43, 1200625), (85, 607375), (113, 456875), (125, 413015), (215, 240125), (425, 121475), (565, 91375), (625, 82603), (731, 70625), (1075, 48025), (1921, 26875), (2125, 24295), (2825, 18275), (3655, 14125), (4859, 10625), (5375, 9605)]