26811380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78857}}^1$

素因数の和:78883

約数の個数: 24

約数和(自身を含む): 59616648

約数和(自身を除く): 32805268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 78857, 157714, 315428, 394285, 788570, 1340569, 1577140, 2681138, 5362276, 6702845, 13405690, 26811380]

約数ペア:

[(1, 26811380), (2, 13405690), (4, 6702845), (5, 5362276), (10, 2681138), (17, 1577140), (20, 1340569), (34, 788570), (68, 394285), (85, 315428), (170, 157714), (340, 78857)]