25519408

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{10159}}^1$

素因数の和:10324

約数の個数: 20

約数和(自身を含む): 49763680

約数和(自身を除く): 24244272

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 10159, 20318, 40636, 81272, 162544, 1594963, 3189926, 6379852, 12759704, 25519408]

約数ペア:

[(1, 25519408), (2, 12759704), (4, 6379852), (8, 3189926), (16, 1594963), (157, 162544), (314, 81272), (628, 40636), (1256, 20318), (2512, 10159)]