201004840

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{19553}}^1$

素因数の和:19821

約数の個数: 32

約数和(自身を含む): 454043880

約数和(自身を除く): 253039040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 19553, 39106, 78212, 97765, 156424, 195530, 391060, 782120, 5025121, 10050242, 20100484, 25125605, 40200968, 50251210, 100502420, 201004840]

約数ペア:

[(1, 201004840), (2, 100502420), (4, 50251210), (5, 40200968), (8, 25125605), (10, 20100484), (20, 10050242), (40, 5025121), (257, 782120), (514, 391060), (1028, 195530), (1285, 156424), (2056, 97765), (2570, 78212), (5140, 39106), (10280, 19553)]