13747840

素因数分解:

$2^7\times 5^1\times {\mathrm{21481}}^1$

素因数の和:21500

約数の個数: 32

約数和(自身を含む): 32867460

約数和(自身を除く): 19119620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21481, 42962, 85924, 107405, 171848, 214810, 343696, 429620, 687392, 859240, 1374784, 1718480, 2749568, 3436960, 6873920, 13747840]

約数ペア:

[(1, 13747840), (2, 6873920), (4, 3436960), (5, 2749568), (8, 1718480), (10, 1374784), (16, 859240), (20, 687392), (32, 429620), (40, 343696), (64, 214810), (80, 171848), (128, 107405), (160, 85924), (320, 42962), (640, 21481)]