65975133080

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^2\times {\mathrm{2447}}^1$

素因数の和:4100

約数の個数: 48

約数和(自身を含む): 148685816160

約数和(自身を除く): 82710683080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 2447, 3284, 4105, 4894, 6568, 8210, 9788, 12235, 16420, 19576, 24470, 32840, 48940, 97880, 674041, 1348082, 2008987, 2696164, 3370205, 4017974, 5392328, 6740410, 8035948, 10044935, 13480820, 16071896, 20089870, 26961640, 40179740, 80359480, 1649378327, 3298756654, 6597513308, 8246891635, 13195026616, 16493783270, 32987566540, 65975133080]

約数ペア:

[(1, 65975133080), (2, 32987566540), (4, 16493783270), (5, 13195026616), (8, 8246891635), (10, 6597513308), (20, 3298756654), (40, 1649378327), (821, 80359480), (1642, 40179740), (2447, 26961640), (3284, 20089870), (4105, 16071896), (4894, 13480820), (6568, 10044935), (8210, 8035948), (9788, 6740410), (12235, 5392328), (16420, 4017974), (19576, 3370205), (24470, 2696164), (32840, 2008987), (48940, 1348082), (97880, 674041)]