67755280

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1297}}^1$

素因数の和:1963

約数の個数: 40

約数和(自身を含む): 157893912

約数和(自身を除く): 90138632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1297, 1306, 2594, 2612, 3265, 5188, 5224, 6485, 6530, 10376, 10448, 12970, 13060, 20752, 25940, 26120, 51880, 52240, 103760, 846941, 1693882, 3387764, 4234705, 6775528, 8469410, 13551056, 16938820, 33877640, 67755280]

約数ペア:

[(1, 67755280), (2, 33877640), (4, 16938820), (5, 13551056), (8, 8469410), (10, 6775528), (16, 4234705), (20, 3387764), (40, 1693882), (80, 846941), (653, 103760), (1297, 52240), (1306, 51880), (2594, 26120), (2612, 25940), (3265, 20752), (5188, 13060), (5224, 12970), (6485, 10448), (6530, 10376)]