128837600

素因数分解:

$2^5\times 5^2\times {\mathrm{161047}}^1$

素因数の和:161067

約数の個数: 36

約数和(自身を含む): 314526744

約数和(自身を除く): 185689144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 161047, 322094, 644188, 805235, 1288376, 1610470, 2576752, 3220940, 4026175, 5153504, 6441880, 8052350, 12883760, 16104700, 25767520, 32209400, 64418800, 128837600]

約数ペア:

[(1, 128837600), (2, 64418800), (4, 32209400), (5, 25767520), (8, 16104700), (10, 12883760), (16, 8052350), (20, 6441880), (25, 5153504), (32, 4026175), (40, 3220940), (50, 2576752), (80, 1610470), (100, 1288376), (160, 805235), (200, 644188), (400, 322094), (800, 161047)]