26486420

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5153}}^1$

素因数の和:5419

約数の個数: 24

約数和(自身を含む): 55848744

約数和(自身を除く): 29362324

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 5153, 10306, 20612, 25765, 51530, 103060, 1324321, 2648642, 5297284, 6621605, 13243210, 26486420]

約数ペア:

[(1, 26486420), (2, 13243210), (4, 6621605), (5, 5297284), (10, 2648642), (20, 1324321), (257, 103060), (514, 51530), (1028, 25765), (1285, 20612), (2570, 10306), (5140, 5153)]