51999880

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1427}}^1$

素因数の和:2349

約数の個数: 32

約数和(自身を含む): 117210240

約数和(自身を除く): 65210360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1427, 1822, 2854, 3644, 4555, 5708, 7135, 7288, 9110, 11416, 14270, 18220, 28540, 36440, 57080, 1299997, 2599994, 5199988, 6499985, 10399976, 12999970, 25999940, 51999880]

約数ペア:

[(1, 51999880), (2, 25999940), (4, 12999970), (5, 10399976), (8, 6499985), (10, 5199988), (20, 2599994), (40, 1299997), (911, 57080), (1427, 36440), (1822, 28540), (2854, 18220), (3644, 14270), (4555, 11416), (5708, 9110), (7135, 7288)]