16322440

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1049}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 36855000

約数和(自身を除く): 20532560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1049, 1556, 1945, 2098, 3112, 3890, 4196, 5245, 7780, 8392, 10490, 15560, 20980, 41960, 408061, 816122, 1632244, 2040305, 3264488, 4080610, 8161220, 16322440]

約数ペア:

[(1, 16322440), (2, 8161220), (4, 4080610), (5, 3264488), (8, 2040305), (10, 1632244), (20, 816122), (40, 408061), (389, 41960), (778, 20980), (1049, 15560), (1556, 10490), (1945, 8392), (2098, 7780), (3112, 5245), (3890, 4196)]