16500280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3011}}^1$

素因数の和:3159

約数の個数: 32

約数和(自身を含む): 37409040

約数和(自身を除く): 20908760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 3011, 5480, 6022, 12044, 15055, 24088, 30110, 60220, 120440, 412507, 825014, 1650028, 2062535, 3300056, 4125070, 8250140, 16500280]

約数ペア:

[(1, 16500280), (2, 8250140), (4, 4125070), (5, 3300056), (8, 2062535), (10, 1650028), (20, 825014), (40, 412507), (137, 120440), (274, 60220), (548, 30110), (685, 24088), (1096, 15055), (1370, 12044), (2740, 6022), (3011, 5480)]