8181040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{2087}}^1$

素因数の和:2114

約数の個数: 60

約数和(自身を含む): 22136976

約数和(自身を除く): 13955936

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, 2087, 3920, 4174, 8348, 10435, 14609, 16696, 20870, 29218, 33392, 41740, 58436, 73045, 83480, 102263, 116872, 146090, 166960, 204526, 233744, 292180, 409052, 511315, 584360, 818104, 1022630, 1168720, 1636208, 2045260, 4090520, 8181040]

約数ペア:

[(1, 8181040), (2, 4090520), (4, 2045260), (5, 1636208), (7, 1168720), (8, 1022630), (10, 818104), (14, 584360), (16, 511315), (20, 409052), (28, 292180), (35, 233744), (40, 204526), (49, 166960), (56, 146090), (70, 116872), (80, 102263), (98, 83480), (112, 73045), (140, 58436), (196, 41740), (245, 33392), (280, 29218), (392, 20870), (490, 16696), (560, 14609), (784, 10435), (980, 8348), (1960, 4174), (2087, 3920)]