85011640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{303613}}^1$

素因数の和:303631

約数の個数: 32

約数和(自身を含む): 218602080

約数和(自身を除く): 133590440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 303613, 607226, 1214452, 1518065, 2125291, 2428904, 3036130, 4250582, 6072260, 8501164, 10626455, 12144520, 17002328, 21252910, 42505820, 85011640]

約数ペア:

[(1, 85011640), (2, 42505820), (4, 21252910), (5, 17002328), (7, 12144520), (8, 10626455), (10, 8501164), (14, 6072260), (20, 4250582), (28, 3036130), (35, 2428904), (40, 2125291), (56, 1518065), (70, 1214452), (140, 607226), (280, 303613)]