666560

素因数分解:

$2^6\times 5^1\times {\mathrm{2083}}^1$

素因数の和:2100

約数の個数: 28

約数和(自身を含む): 1588008

約数和(自身を除く): 921448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2083, 4166, 8332, 10415, 16664, 20830, 33328, 41660, 66656, 83320, 133312, 166640, 333280, 666560]

約数ペア:

[(1, 666560), (2, 333280), (4, 166640), (5, 133312), (8, 83320), (10, 66656), (16, 41660), (20, 33328), (32, 20830), (40, 16664), (64, 10415), (80, 8332), (160, 4166), (320, 2083)]