77886680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{36739}}^1$

素因数の和:36803

約数の個数: 32

約数和(自身を含む): 178556400

約数和(自身を除く): 100669720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 36739, 73478, 146956, 183695, 293912, 367390, 734780, 1469560, 1947167, 3894334, 7788668, 9735835, 15577336, 19471670, 38943340, 77886680]

約数ペア:

[(1, 77886680), (2, 38943340), (4, 19471670), (5, 15577336), (8, 9735835), (10, 7788668), (20, 3894334), (40, 1947167), (53, 1469560), (106, 734780), (212, 367390), (265, 293912), (424, 183695), (530, 146956), (1060, 73478), (2120, 36739)]