51728120

素因数分解:

$2^3\times 5^1\times {\mathrm{1293203}}^1$

素因数の和:1293214

約数の個数: 16

約数和(自身を含む): 116388360

約数和(自身を除く): 64660240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1293203, 2586406, 5172812, 6466015, 10345624, 12932030, 25864060, 51728120]

約数ペア:

[(1, 51728120), (2, 25864060), (4, 12932030), (5, 10345624), (8, 6466015), (10, 5172812), (20, 2586406), (40, 1293203)]