38874020

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{2143}}^1$

素因数の和:3059

約数の個数: 24

約数和(自身を含む): 81763584

約数和(自身を除く): 42889564

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 2143, 3628, 4286, 4535, 8572, 9070, 10715, 18140, 21430, 42860, 1943701, 3887402, 7774804, 9718505, 19437010, 38874020]

約数ペア:

[(1, 38874020), (2, 19437010), (4, 9718505), (5, 7774804), (10, 3887402), (20, 1943701), (907, 42860), (1814, 21430), (2143, 18140), (3628, 10715), (4286, 9070), (4535, 8572)]