15981760

素因数分解:

$2^6\times 5^1\times {\mathrm{49943}}^1$

素因数の和:49960

約数の個数: 28

約数和(自身を含む): 38057328

約数和(自身を除く): 22075568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 49943, 99886, 199772, 249715, 399544, 499430, 799088, 998860, 1598176, 1997720, 3196352, 3995440, 7990880, 15981760]

約数ペア:

[(1, 15981760), (2, 7990880), (4, 3995440), (5, 3196352), (8, 1997720), (10, 1598176), (16, 998860), (20, 799088), (32, 499430), (40, 399544), (64, 249715), (80, 199772), (160, 99886), (320, 49943)]