71668025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20047}}^1$

素因数の和:20081

約数の個数: 24

約数和(自身を含む): 104409984

約数和(自身を除く): 32741959

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 20047, 100235, 220517, 260611, 501175, 1102585, 1303055, 2866721, 5512925, 6515275, 14333605, 71668025]

約数ペア:

[(1, 71668025), (5, 14333605), (11, 6515275), (13, 5512925), (25, 2866721), (55, 1303055), (65, 1102585), (143, 501175), (275, 260611), (325, 220517), (715, 100235), (3575, 20047)]