8386960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2611

約数の個数: 40

約数和(自身を含む): 19983096

約数和(自身を除く): 11596136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2557, 3280, 5114, 10228, 12785, 20456, 25570, 40912, 51140, 102280, 104837, 204560, 209674, 419348, 524185, 838696, 1048370, 1677392, 2096740, 4193480, 8386960]

約数ペア:

[(1, 8386960), (2, 4193480), (4, 2096740), (5, 1677392), (8, 1048370), (10, 838696), (16, 524185), (20, 419348), (40, 209674), (41, 204560), (80, 104837), (82, 102280), (164, 51140), (205, 40912), (328, 25570), (410, 20456), (656, 12785), (820, 10228), (1640, 5114), (2557, 3280)]