67059280

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1021}}^1$

素因数の和:1855

約数の個数: 40

約数和(自身を含む): 156255624

約数和(自身を除く): 89196344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 1021, 1642, 2042, 3284, 4084, 4105, 5105, 6568, 8168, 8210, 10210, 13136, 16336, 16420, 20420, 32840, 40840, 65680, 81680, 838241, 1676482, 3352964, 4191205, 6705928, 8382410, 13411856, 16764820, 33529640, 67059280]

約数ペア:

[(1, 67059280), (2, 33529640), (4, 16764820), (5, 13411856), (8, 8382410), (10, 6705928), (16, 4191205), (20, 3352964), (40, 1676482), (80, 838241), (821, 81680), (1021, 65680), (1642, 40840), (2042, 32840), (3284, 20420), (4084, 16420), (4105, 16336), (5105, 13136), (6568, 10210), (8168, 8210)]