26943880

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2621}}^1$

素因数の和:2889

約数の個数: 32

約数和(自身を含む): 60882840

約数和(自身を除く): 33938960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 2621, 5140, 5242, 10280, 10484, 13105, 20968, 26210, 52420, 104840, 673597, 1347194, 2694388, 3367985, 5388776, 6735970, 13471940, 26943880]

約数ペア:

[(1, 26943880), (2, 13471940), (4, 6735970), (5, 5388776), (8, 3367985), (10, 2694388), (20, 1347194), (40, 673597), (257, 104840), (514, 52420), (1028, 26210), (1285, 20968), (2056, 13105), (2570, 10484), (2621, 10280), (5140, 5242)]