25724005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 34640640

約数和(自身を除く): 8916635

約数列:

[1, 5, 19, 23, 61, 95, 115, 193, 305, 437, 965, 1159, 1403, 2185, 3667, 4439, 5795, 7015, 11773, 18335, 22195, 26657, 58865, 84341, 133285, 223687, 270779, 421705, 1118435, 1353895, 5144801, 25724005]

約数ペア:

[(1, 25724005), (5, 5144801), (19, 1353895), (23, 1118435), (61, 421705), (95, 270779), (115, 223687), (193, 133285), (305, 84341), (437, 58865), (965, 26657), (1159, 22195), (1403, 18335), (2185, 11773), (3667, 7015), (4439, 5795)]