57131920

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3739}}^1$

素因数の和:3943

約数の個数: 40

約数和(自身を含む): 133562880

約数和(自身を除く): 76430960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3739, 3820, 7478, 7640, 14956, 15280, 18695, 29912, 37390, 59824, 74780, 149560, 299120, 714149, 1428298, 2856596, 3570745, 5713192, 7141490, 11426384, 14282980, 28565960, 57131920]

約数ペア:

[(1, 57131920), (2, 28565960), (4, 14282980), (5, 11426384), (8, 7141490), (10, 5713192), (16, 3570745), (20, 2856596), (40, 1428298), (80, 714149), (191, 299120), (382, 149560), (764, 74780), (955, 59824), (1528, 37390), (1910, 29912), (3056, 18695), (3739, 15280), (3820, 14956), (7478, 7640)]