25953328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{39563}}^1$

素因数の和:39612

約数の個数: 20

約数和(自身を含む): 51512328

約数和(自身を除く): 25559000

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 39563, 79126, 158252, 316504, 633008, 1622083, 3244166, 6488332, 12976664, 25953328]

約数ペア:

[(1, 25953328), (2, 12976664), (4, 6488332), (8, 3244166), (16, 1622083), (41, 633008), (82, 316504), (164, 158252), (328, 79126), (656, 39563)]