13089280

素因数分解:

$2^9\times 5^1\times {\mathrm{5113}}^1$

素因数の和:5136

約数の個数: 40

約数和(自身を含む): 31389732

約数和(自身を除く): 18300452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 5113, 10226, 20452, 25565, 40904, 51130, 81808, 102260, 163616, 204520, 327232, 409040, 654464, 818080, 1308928, 1636160, 2617856, 3272320, 6544640, 13089280]

約数ペア:

[(1, 13089280), (2, 6544640), (4, 3272320), (5, 2617856), (8, 1636160), (10, 1308928), (16, 818080), (20, 654464), (32, 409040), (40, 327232), (64, 204520), (80, 163616), (128, 102260), (160, 81808), (256, 51130), (320, 40904), (512, 25565), (640, 20452), (1280, 10226), (2560, 5113)]