39963280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71363}}^1$

素因数の和:71383

約数の個数: 40

約数和(自身を含む): 106189632

約数和(自身を除く): 66226352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71363, 142726, 285452, 356815, 499541, 570904, 713630, 999082, 1141808, 1427260, 1998164, 2497705, 2854520, 3996328, 4995410, 5709040, 7992656, 9990820, 19981640, 39963280]

約数ペア:

[(1, 39963280), (2, 19981640), (4, 9990820), (5, 7992656), (7, 5709040), (8, 4995410), (10, 3996328), (14, 2854520), (16, 2497705), (20, 1998164), (28, 1427260), (35, 1141808), (40, 999082), (56, 713630), (70, 570904), (80, 499541), (112, 356815), (140, 285452), (280, 142726), (560, 71363)]