53720900

素因数分解:

$2^2\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1381}}^1$

素因数の和:1784

約数の個数: 36

約数和(自身を含む): 116958660

約数和(自身を除く): 63237760

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 389, 778, 1381, 1556, 1945, 2762, 3890, 5524, 6905, 7780, 9725, 13810, 19450, 27620, 34525, 38900, 69050, 138100, 537209, 1074418, 2148836, 2686045, 5372090, 10744180, 13430225, 26860450, 53720900]

約数ペア:

[(1, 53720900), (2, 26860450), (4, 13430225), (5, 10744180), (10, 5372090), (20, 2686045), (25, 2148836), (50, 1074418), (100, 537209), (389, 138100), (778, 69050), (1381, 38900), (1556, 34525), (1945, 27620), (2762, 19450), (3890, 13810), (5524, 9725), (6905, 7780)]