51563125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 71527104

約数和(自身を除く): 19963979

約数列:

[1, 5, 17, 23, 25, 85, 115, 125, 211, 391, 425, 575, 625, 1055, 1955, 2125, 2875, 3587, 4853, 5275, 9775, 10625, 14375, 17935, 24265, 26375, 48875, 82501, 89675, 121325, 131875, 244375, 412505, 448375, 606625, 2062525, 2241875, 3033125, 10312625, 51563125]

約数ペア:

[(1, 51563125), (5, 10312625), (17, 3033125), (23, 2241875), (25, 2062525), (85, 606625), (115, 448375), (125, 412505), (211, 244375), (391, 131875), (425, 121325), (575, 89675), (625, 82501), (1055, 48875), (1955, 26375), (2125, 24265), (2875, 17935), (3587, 14375), (4853, 10625), (5275, 9775)]