85209040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21737}}^1$

素因数の和:21764

約数の個数: 60

約数和(自身を含む): 230466276

約数和(自身を除く): 145257236

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21737, 43474, 86948, 108685, 152159, 173896, 217370, 304318, 347792, 434740, 608636, 760795, 869480, 1065113, 1217272, 1521590, 1738960, 2130226, 2434544, 3043180, 4260452, 5325565, 6086360, 8520904, 10651130, 12172720, 17041808, 21302260, 42604520, 85209040]

約数ペア:

[(1, 85209040), (2, 42604520), (4, 21302260), (5, 17041808), (7, 12172720), (8, 10651130), (10, 8520904), (14, 6086360), (16, 5325565), (20, 4260452), (28, 3043180), (35, 2434544), (40, 2130226), (49, 1738960), (56, 1521590), (70, 1217272), (80, 1065113), (98, 869480), (112, 760795), (140, 608636), (196, 434740), (245, 347792), (280, 304318), (392, 217370), (490, 173896), (560, 152159), (784, 108685), (980, 86948), (1960, 43474), (3920, 21737)]