81230200

素因数分解:

$2^3\times 5^2\times {\mathrm{179}}^1\times {\mathrm{2269}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 189999000

約数和(自身を除く): 108768800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 179, 200, 358, 716, 895, 1432, 1790, 2269, 3580, 4475, 4538, 7160, 8950, 9076, 11345, 17900, 18152, 22690, 35800, 45380, 56725, 90760, 113450, 226900, 406151, 453800, 812302, 1624604, 2030755, 3249208, 4061510, 8123020, 10153775, 16246040, 20307550, 40615100, 81230200]

約数ペア:

[(1, 81230200), (2, 40615100), (4, 20307550), (5, 16246040), (8, 10153775), (10, 8123020), (20, 4061510), (25, 3249208), (40, 2030755), (50, 1624604), (100, 812302), (179, 453800), (200, 406151), (358, 226900), (716, 113450), (895, 90760), (1432, 56725), (1790, 45380), (2269, 35800), (3580, 22690), (4475, 18152), (4538, 17900), (7160, 11345), (8950, 9076)]