39612020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{541}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 95426688

約数和(自身を除く): 55814668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 523, 541, 1046, 1082, 2092, 2164, 2615, 2705, 3661, 3787, 5230, 5410, 7322, 7574, 10460, 10820, 14644, 15148, 18305, 18935, 36610, 37870, 73220, 75740, 282943, 565886, 1131772, 1414715, 1980601, 2829430, 3961202, 5658860, 7922404, 9903005, 19806010, 39612020]

約数ペア:

[(1, 39612020), (2, 19806010), (4, 9903005), (5, 7922404), (7, 5658860), (10, 3961202), (14, 2829430), (20, 1980601), (28, 1414715), (35, 1131772), (70, 565886), (140, 282943), (523, 75740), (541, 73220), (1046, 37870), (1082, 36610), (2092, 18935), (2164, 18305), (2615, 15148), (2705, 14644), (3661, 10820), (3787, 10460), (5230, 7574), (5410, 7322)]