77887120

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10037}}^1$

素因数の和:10147

約数の個数: 40

約数和(自身を含む): 182972664

約数和(自身を除く): 105085544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 10037, 20074, 40148, 50185, 80296, 100370, 160592, 200740, 401480, 802960, 973589, 1947178, 3894356, 4867945, 7788712, 9735890, 15577424, 19471780, 38943560, 77887120]

約数ペア:

[(1, 77887120), (2, 38943560), (4, 19471780), (5, 15577424), (8, 9735890), (10, 7788712), (16, 4867945), (20, 3894356), (40, 1947178), (80, 973589), (97, 802960), (194, 401480), (388, 200740), (485, 160592), (776, 100370), (970, 80296), (1552, 50185), (1940, 40148), (3880, 20074), (7760, 10037)]