16944880

素因数分解:

$2^4\times 5^1\times {\mathrm{211811}}^1$

素因数の和:211824

約数の個数: 20

約数和(自身を含む): 39397032

約数和(自身を除く): 22452152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211811, 423622, 847244, 1059055, 1694488, 2118110, 3388976, 4236220, 8472440, 16944880]

約数ペア:

[(1, 16944880), (2, 8472440), (4, 4236220), (5, 3388976), (8, 2118110), (10, 1694488), (16, 1059055), (20, 847244), (40, 423622), (80, 211811)]