25865008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124351}}^1$

素因数の和:124372

約数の個数: 20

約数和(自身を含む): 53968768

約数和(自身を除く): 28103760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124351, 248702, 497404, 994808, 1616563, 1989616, 3233126, 6466252, 12932504, 25865008]

約数ペア:

[(1, 25865008), (2, 12932504), (4, 6466252), (8, 3233126), (13, 1989616), (16, 1616563), (26, 994808), (52, 497404), (104, 248702), (208, 124351)]