28565960

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3739}}^1$

素因数の和:3941

約数の個数: 32

約数和(自身を含む): 64627200

約数和(自身を除く): 36061240

約数列:

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

約数ペア:

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