13381120

素因数分解:

$2^9\times 5^1\times {\mathrm{5227}}^1$

素因数の和:5250

約数の個数: 40

約数和(自身を含む): 32089464

約数和(自身を除く): 18708344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 5227, 10454, 20908, 26135, 41816, 52270, 83632, 104540, 167264, 209080, 334528, 418160, 669056, 836320, 1338112, 1672640, 2676224, 3345280, 6690560, 13381120]

約数ペア:

[(1, 13381120), (2, 6690560), (4, 3345280), (5, 2676224), (8, 1672640), (10, 1338112), (16, 836320), (20, 669056), (32, 418160), (40, 334528), (64, 209080), (80, 167264), (128, 104540), (160, 83632), (256, 52270), (320, 41816), (512, 26135), (640, 20908), (1280, 10454), (2560, 5227)]