156944235440

素因数分解:

$2^4\times 5^1\times {\mathrm{1961802943}}^1$

素因数の和:1961802956

約数の個数: 20

約数和(自身を含む): 364895347584

約数和(自身を除く): 207951112144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961802943, 3923605886, 7847211772, 9809014715, 15694423544, 19618029430, 31388847088, 39236058860, 78472117720, 156944235440]

約数ペア:

[(1, 156944235440), (2, 78472117720), (4, 39236058860), (5, 31388847088), (8, 19618029430), (10, 15694423544), (16, 9809014715), (20, 7847211772), (40, 3923605886), (80, 1961802943)]