27192860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79979}}^1$

素因数の和:80005

約数の個数: 24

約数和(自身を含む): 60464880

約数和(自身を除く): 33272020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 79979, 159958, 319916, 399895, 799790, 1359643, 1599580, 2719286, 5438572, 6798215, 13596430, 27192860]

約数ペア:

[(1, 27192860), (2, 13596430), (4, 6798215), (5, 5438572), (10, 2719286), (17, 1599580), (20, 1359643), (34, 799790), (68, 399895), (85, 319916), (170, 159958), (340, 79979)]