25017395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 9819085

約数列:

[1, 5, 13, 19, 47, 65, 95, 235, 247, 431, 611, 893, 1235, 2155, 3055, 4465, 5603, 8189, 11609, 20257, 28015, 40945, 58045, 101285, 106457, 263341, 384883, 532285, 1316705, 1924415, 5003479, 25017395]

約数ペア:

[(1, 25017395), (5, 5003479), (13, 1924415), (19, 1316705), (47, 532285), (65, 384883), (95, 263341), (235, 106457), (247, 101285), (431, 58045), (611, 40945), (893, 28015), (1235, 20257), (2155, 11609), (3055, 8189), (4465, 5603)]