87852020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{907}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 192205440

約数和(自身を除く): 104353420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 167, 290, 334, 580, 668, 835, 907, 1670, 1814, 3340, 3628, 4535, 4843, 9070, 9686, 18140, 19372, 24215, 26303, 48430, 52606, 96860, 105212, 131515, 151469, 263030, 302938, 526060, 605876, 757345, 1514690, 3029380, 4392601, 8785202, 17570404, 21963005, 43926010, 87852020]

約数ペア:

[(1, 87852020), (2, 43926010), (4, 21963005), (5, 17570404), (10, 8785202), (20, 4392601), (29, 3029380), (58, 1514690), (116, 757345), (145, 605876), (167, 526060), (290, 302938), (334, 263030), (580, 151469), (668, 131515), (835, 105212), (907, 96860), (1670, 52606), (1814, 48430), (3340, 26303), (3628, 24215), (4535, 19372), (4843, 18140), (9070, 9686)]