1567980020

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{79111}}^1$

素因数の和:80111

約数の個数: 24

約数和(自身を含む): 3296122368

約数和(自身を除く): 1728142348

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820, 79111, 158222, 316444, 395555, 791110, 1582220, 78399001, 156798002, 313596004, 391995005, 783990010, 1567980020]

約数ペア:

[(1, 1567980020), (2, 783990010), (4, 391995005), (5, 313596004), (10, 156798002), (20, 78399001), (991, 1582220), (1982, 791110), (3964, 395555), (4955, 316444), (9910, 158222), (19820, 79111)]