25877995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2129}}^1$

素因数の和:2175

約数の個数: 32

約数和(自身を含む): 38646720

約数和(自身を除く): 12768725

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2129, 2431, 10645, 12155, 23419, 27677, 36193, 117095, 138385, 180965, 304447, 398123, 470509, 1522235, 1990615, 2352545, 5175599, 25877995]

約数ペア:

[(1, 25877995), (5, 5175599), (11, 2352545), (13, 1990615), (17, 1522235), (55, 470509), (65, 398123), (85, 304447), (143, 180965), (187, 138385), (221, 117095), (715, 36193), (935, 27677), (1105, 23419), (2129, 12155), (2431, 10645)]