25609216

素因数分解:

$2^{10}\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 44

約数和(自身を含む): 51952860

約数和(自身を除く): 26343644

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 281, 356, 512, 562, 712, 1024, 1124, 1424, 2248, 2848, 4496, 5696, 8992, 11392, 17984, 22784, 25009, 35968, 45568, 50018, 71936, 91136, 100036, 143872, 200072, 287744, 400144, 800288, 1600576, 3201152, 6402304, 12804608, 25609216]

約数ペア:

[(1, 25609216), (2, 12804608), (4, 6402304), (8, 3201152), (16, 1600576), (32, 800288), (64, 400144), (89, 287744), (128, 200072), (178, 143872), (256, 100036), (281, 91136), (356, 71936), (512, 50018), (562, 45568), (712, 35968), (1024, 25009), (1124, 22784), (1424, 17984), (2248, 11392), (2848, 8992), (4496, 5696)]