11666960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3557}}^1$

素因数の和:3611

約数の個数: 40

約数和(自身を含む): 27795096

約数和(自身を除く): 16128136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3557, 7114, 14228, 17785, 28456, 35570, 56912, 71140, 142280, 145837, 284560, 291674, 583348, 729185, 1166696, 1458370, 2333392, 2916740, 5833480, 11666960]

約数ペア:

[(1, 11666960), (2, 5833480), (4, 2916740), (5, 2333392), (8, 1458370), (10, 1166696), (16, 729185), (20, 583348), (40, 291674), (41, 284560), (80, 145837), (82, 142280), (164, 71140), (205, 56912), (328, 35570), (410, 28456), (656, 17785), (820, 14228), (1640, 7114), (3280, 3557)]