25427792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2843}}^1$

素因数の和:2907

約数の個数: 40

約数和(自身を含む): 54309024

約数和(自身を除く): 28881232

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 2843, 4472, 5686, 8944, 11372, 22744, 36959, 45488, 73918, 122249, 147836, 244498, 295672, 488996, 591344, 977992, 1589237, 1955984, 3178474, 6356948, 12713896, 25427792]

約数ペア:

[(1, 25427792), (2, 12713896), (4, 6356948), (8, 3178474), (13, 1955984), (16, 1589237), (26, 977992), (43, 591344), (52, 488996), (86, 295672), (104, 244498), (172, 147836), (208, 122249), (344, 73918), (559, 45488), (688, 36959), (1118, 22744), (2236, 11372), (2843, 8944), (4472, 5686)]