25819504

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{39359}}^1$

素因数の和:39408

約数の個数: 20

約数和(自身を含む): 51246720

約数和(自身を除く): 25427216

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 39359, 78718, 157436, 314872, 629744, 1613719, 3227438, 6454876, 12909752, 25819504]

約数ペア:

[(1, 25819504), (2, 12909752), (4, 6454876), (8, 3227438), (16, 1613719), (41, 629744), (82, 314872), (164, 157436), (328, 78718), (656, 39359)]